meta_check.py on /home/claude/db/database/synthesis_extraction.csv (171 data rows)
====================================================================================================
PART A - naive groups: synth_id x outcome x analysis x increment (all rows with rr+ci)
NB: these groups mix analyses the table does not distinguish (see K11 report).
norat2002 | colorectal | hvl | hvl                           n_rows=8  k=7  RE 1.24 (1.01-1.51)  FE 1.24 (1.01-1.51)  Q=5.16 df=6  I2=0.0%  tau2=0.0000
norat2002 | colon | hvl | hvl                                n_rows=9  k=4  RE 1.34 (1.04-1.73)  FE 1.27 (1.08-1.49)  Q=5.61 df=3  I2=46.5%  tau2=0.0317
norat2002 | colon | dose_response | per_5g                   n_rows=1  k=1  RE 0.98 (0.93-1.03)  FE 0.98 (0.93-1.03)  Q=0.00 df=0  I2=0.0%  tau2=0.0000
larsson2006 | colon | hvl | hvl                              n_rows=10  k=10  RE 1.23 (1.07-1.41)  FE 1.23 (1.07-1.41)  Q=2.75 df=9  I2=0.0%  tau2=0.0000
larsson2006 | colorectal | hvl | hvl                         n_rows=13  k=13  RE 1.29 (1.15-1.44)  FE 1.29 (1.15-1.44)  Q=4.07 df=12  I2=0.0%  tau2=0.0000
larsson2006 | rectum | hvl | hvl                             n_rows=7  k=7  RE 1.56 (1.25-1.95)  FE 1.56 (1.25-1.95)  Q=4.81 df=6  I2=0.0%  tau2=0.0000
larsson2006 | proximal_colon | hvl | hvl                     n_rows=3  k=3  RE 1.15 (0.91-1.47)  FE 1.15 (0.91-1.47)  Q=0.72 df=2  I2=0.0%  tau2=0.0000
larsson2006 | distal_colon | hvl | hvl                       n_rows=3  k=3  RE 1.31 (0.62-2.79)  FE 1.18 (0.88-1.58)  Q=12.36 df=2  I2=83.8%  tau2=0.3673
larsson2006 | colorectal | dose_response | per_120g          n_rows=12  (no usable rr/ci)
larsson2006 | colon | dose_response | per_120g               n_rows=2  (no usable rr/ci)
wcrf2007 | colon | hvl | hvl                                 n_rows=5  k=5  RE 1.59 (1.22-2.06)  FE 1.59 (1.26-2.00)  Q=5.08 df=4  I2=21.2%  tau2=0.0192
wcrf2007 | colorectal | hvl | hvl                            n_rows=8  k=8  RE 1.26 (1.08-1.46)  FE 1.26 (1.08-1.46)  Q=4.37 df=7  I2=0.0%  tau2=0.0000
wcrf2007 | colon | dose_response | per_time_week             n_rows=4  k=4  RE 1.57 (0.91-2.72)  FE 1.12 (0.95-1.31)  Q=14.09 df=3  I2=78.7%  tau2=0.2031
wcrf2007 | colorectal | dose_response | per_time_week        n_rows=7  k=5  RE 1.28 (0.92-1.79)  FE 1.26 (0.95-1.68)  Q=4.36 df=4  I2=8.2%  tau2=0.0162
wcrf2007 | colorectal | dose_response | per_100g             n_rows=3  k=2  RE 1.20 (0.86-1.67)  FE 1.18 (0.89-1.57)  Q=1.30 df=1  I2=23.2%  tau2=0.0142
cup2010 | colorectal | dose_response | per_100g              n_rows=10  k=10  RE 1.18 (1.06-1.32)  FE 1.18 (1.06-1.32)  Q=8.35 df=9  I2=0.0%  tau2=0.0000
cup2010 | colon | dose_response | per_100g                   n_rows=21  k=21  RE 1.14 (1.04-1.26)  FE 1.14 (1.04-1.26)  Q=12.25 df=20  I2=0.0%  tau2=0.0000
cup2010 | rectum | dose_response | per_100g                  n_rows=7  k=7  RE 1.18 (0.98-1.43)  FE 1.18 (0.98-1.43)  Q=4.09 df=6  I2=0.0%  tau2=0.0000
cup2010 | colorectal | hvl | hvl                             n_rows=12  k=12  RE 1.10 (1.00-1.21)  FE 1.10 (1.02-1.19)  Q=14.18 df=11  I2=22.4%  tau2=0.0059
cup2010 | colon | hvl | hvl                                  n_rows=12  k=12  RE 1.18 (1.04-1.35)  FE 1.18 (1.04-1.35)  Q=10.69 df=11  I2=0.0%  tau2=0.0000
cup2010 | rectum | hvl | hvl                                 n_rows=7  k=7  RE 1.14 (0.83-1.56)  FE 1.13 (0.90-1.42)  Q=9.69 df=6  I2=38.1%  tau2=0.0638
cup2010 | colorectal | dose_response | per_time_week         n_rows=1  k=1  RE 1.03 (0.98-1.08)  FE 1.03 (0.98-1.08)  Q=0.00 df=0  I2=100.0%  tau2=0.0000
cup2010 | colon | dose_response | per_time_week              n_rows=1  k=1  RE 1.00 (0.94-1.07)  FE 1.00 (0.94-1.07)  Q=0.00 df=0  I2=0.0%  tau2=0.0000
cup2010 | rectum | dose_response | per_time_week             n_rows=1  k=1  RE 1.08 (1.00-1.17)  FE 1.08 (1.00-1.17)  Q=0.00 df=0  I2=0.0%  tau2=0.0000
cup2010 | proximal_colon | hvl | hvl                         n_rows=2  k=2  RE 1.20 (0.93-1.54)  FE 1.20 (0.93-1.54)  Q=0.30 df=1  I2=0.0%  tau2=0.0000
cup2010 | distal_colon | hvl | hvl                           n_rows=2  k=2  RE 1.18 (0.43-3.25)  FE 1.13 (0.83-1.53)  Q=10.80 df=1  I2=90.7%  tau2=0.4819

====================================================================================================
PART B - published analyses re-pooled from explicitly selected rows
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Norat 2002 Table I / Fig 2 - red meat HvL, cohort (9 studies; Thun has no CI -> 8 pooled)
  published : 1.27 (1.11-1.45), n=9, p-het 0.45
  recomputed: k=8  RE 1.38 (1.16-1.64)  FE 1.38 (1.16-1.64)  Q=5.40 df=7  I2=0.0%  tau2=0.0000
    L6 willett1990 colon                     RE wt  13.19%
    L7 giovannucci1994 colon                 RE wt  19.64%
    L10 bostick1994 colon                    RE wt  11.44%
    L13 kato1997 colorectal                  RE wt   8.89%
    L14 chen1998 colorectal                  RE wt  10.50%
    L15 hsing1998 colorectal                 RE wt   5.09%
    L16 singh1998 colorectal                 RE wt  15.43%
    L18 pietinen1999 colorectal              RE wt  15.82%
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Norat 2002 sensitivity: + Thun 1992 as read off Fig 2 (approx 1.14 (0.93-1.39), digitised by K11 from norat_p-05.png pixels)
  published : 1.27 (1.11-1.45)
  recomputed: k=9  RE 1.27 (1.11-1.45)  FE 1.27 (1.11-1.45)  Q=7.34 df=8  I2=0.0%  tau2=0.0000
    L6 willett1990 colon                     RE wt   7.45%
    L7 giovannucci1994 colon                 RE wt  11.09%
    L10 bostick1994 colon                    RE wt   6.46%
    L13 kato1997 colorectal                  RE wt   5.02%
    L14 chen1998 colorectal                  RE wt   5.93%
    L15 hsing1998 colorectal                 RE wt   2.87%
    L16 singh1998 colorectal                 RE wt   8.71%
    L18 pietinen1999 colorectal              RE wt   8.93%
    Thun 1992 digitised                      RE wt  43.53%
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Norat 2002 sensitivity: + Thun digitised, Singh as plotted in Fig 2 (approx 1.50 (0.95-2.36), digitised)
  published : 1.27 (1.11-1.45)
  recomputed: k=9  RE 1.28 (1.12-1.46)  FE 1.28 (1.12-1.46)  Q=7.64 df=8  I2=0.0%  tau2=0.0000
    L6 willett1990 colon                     RE wt   7.46%
    L7 giovannucci1994 colon                 RE wt  11.11%
    L10 bostick1994 colon                    RE wt   6.47%
    L13 kato1997 colorectal                  RE wt   5.03%
    L14 chen1998 colorectal                  RE wt   5.94%
    L15 hsing1998 colorectal                 RE wt   2.88%
    L18 pietinen1999 colorectal              RE wt   8.95%
    L16 singh1998 colorectal                 RE wt   8.51%
    Thun 1992 digitised                      RE wt  43.63%
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Larsson 2006 Fig 1 / text p2660 - red meat HvL CRC (15 studies)
  published : 1.28 (1.15-1.42), Q=4.86, p=0.99, I2=0%
  recomputed: k=15  RE 1.28 (1.15-1.42)  FE 1.28 (1.15-1.42)  Q=4.86 df=14  I2=0.0%  tau2=0.0000
    L19 bostick1994 colon                    RE wt   4.08%
    L20 kato1997 colorectal                  RE wt   3.17%
    L21 chen1998 colorectal                  RE wt   3.74%
    L22 hsing1998 colorectal                 RE wt   1.81%
    L24 singh1998 colon                      RE wt   5.50%
    L25 pietinen1999 colorectal              RE wt   5.64%
    L26 jarvinen2001 colorectal              RE wt   2.47%
    L29 tiemersma2002 colorectal             RE wt   3.24%
    L30 flood2003 colorectal                 RE wt  14.26%
    L31 wei2004 colorectal                   RE wt   4.13%
    L34 wei2004 colorectal                   RE wt   5.23%
    L37 english2004 colorectal               RE wt  10.77%
    L40 larsson2005 colorectal               RE wt  18.55%
    L45 chao2005 colorectal                  RE wt   7.57%
    L50 norat2005 colorectal                 RE wt   9.83%
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Larsson 2006 Table II colon - all 10 colon rows in Table I
  published : 1.21 (1.05-1.40), n=9, Q=2.35
  recomputed: k=10  RE 1.23 (1.07-1.41)  FE 1.23 (1.07-1.41)  Q=2.75 df=9  I2=0.0%  tau2=0.0000
    L19 bostick1994 colon                    RE wt   7.02%
    L23 hsing1998 colon                      RE wt   2.63%
    L24 singh1998 colon                      RE wt   9.47%
    L27 jarvinen2001 colon                   RE wt   2.61%
    L32 wei2004 colon                        RE wt   5.55%
    L35 wei2004 colon                        RE wt   7.02%
    L38 english2004 colon                    RE wt  11.18%
    L41 larsson2005 colon                    RE wt  10.49%
    L46 chao2005 colon                       RE wt  32.65%
    L51 norat2005 colon                      RE wt  11.38%
    leave out L19 bostick1994     -> k=9  RE 1.24 (1.08-1.43)  FE 1.24 (1.08-1.43)  Q=2.34 df=8  I2=0.0%  tau2=0.0000
    leave out L23 hsing1998       -> k=9  RE 1.21 (1.06-1.40)  FE 1.21 (1.06-1.40)  Q=1.95 df=8  I2=0.0%  tau2=0.0000
    leave out L24 singh1998       -> k=9  RE 1.21 (1.05-1.40)  FE 1.21 (1.05-1.40)  Q=2.35 df=8  I2=0.0%  tau2=0.0000
    leave out L27 jarvinen2001    -> k=9  RE 1.22 (1.06-1.41)  FE 1.22 (1.06-1.41)  Q=2.71 df=8  I2=0.0%  tau2=0.0000
    leave out L32 wei2004         -> k=9  RE 1.22 (1.06-1.41)  FE 1.22 (1.06-1.41)  Q=2.70 df=8  I2=0.0%  tau2=0.0000
    leave out L35 wei2004         -> k=9  RE 1.22 (1.06-1.41)  FE 1.22 (1.06-1.41)  Q=2.61 df=8  I2=0.0%  tau2=0.0000
    leave out L38 english2004     -> k=9  RE 1.24 (1.07-1.44)  FE 1.24 (1.07-1.44)  Q=2.45 df=8  I2=0.0%  tau2=0.0000
    leave out L41 larsson2005     -> k=9  RE 1.21 (1.04-1.40)  FE 1.21 (1.04-1.40)  Q=2.30 df=8  I2=0.0%  tau2=0.0000
    leave out L46 chao2005        -> k=9  RE 1.27 (1.07-1.50)  FE 1.27 (1.07-1.50)  Q=2.34 df=8  I2=0.0%  tau2=0.0000
    leave out L51 norat2005       -> k=9  RE 1.23 (1.07-1.43)  FE 1.23 (1.07-1.43)  Q=2.69 df=8  I2=0.0%  tau2=0.0000
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Larsson 2006 Table II rectum (7 studies)
  published : 1.56 (1.25-1.95), Q=4.82, I2=0%
  recomputed: k=7  RE 1.56 (1.25-1.95)  FE 1.56 (1.25-1.95)  Q=4.81 df=6  I2=0.0%  tau2=0.0000
    L28 jarvinen2001 rectum                  RE wt   4.05%
    L33 wei2004 rectum                       RE wt   4.25%
    L36 wei2004 rectum                       RE wt   5.12%
    L39 english2004 rectum                   RE wt  12.72%
    L44 larsson2005 rectum                   RE wt  26.40%
    L49 chao2005 rectum                      RE wt  32.42%
    L54 norat2005 rectum                     RE wt  15.05%
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Larsson 2006 Table II proximal colon (3)
  published : 1.15 (0.91-1.47), Q=0.72
  recomputed: k=3  RE 1.15 (0.91-1.47)  FE 1.15 (0.91-1.47)  Q=0.72 df=2  I2=0.0%  tau2=0.0000
    L42 larsson2005 proximal_colon           RE wt  30.82%
    L47 chao2005 proximal_colon              RE wt  53.67%
    L52 norat2005 proximal_colon             RE wt  15.51%
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Larsson 2006 Table II distal colon (3)
  published : 1.31 (0.62-2.79), Q=12.36, I2=83.8%
  recomputed: k=3  RE 1.31 (0.62-2.79)  FE 1.18 (0.88-1.58)  Q=12.36 df=2  I2=83.8%  tau2=0.3673
    L43 larsson2005 distal_colon             RE wt  34.04%
    L48 chao2005 distal_colon                RE wt  35.90%
    L53 norat2005 distal_colon               RE wt  30.06%
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WCRF 2007 Fig 4.3.2 - per time/week (9 lines, 7 studies)
  published : 1.43 (1.05-1.94); I2=58% p=0.01 (CUP 2010 Table 36)
  recomputed: k=9  RE 1.43 (1.05-1.94)  FE 1.15 (1.00-1.32)  Q=19.00 df=8  I2=57.9%  tau2=0.0918
    L82 willett1990 colon                    RE wt  17.26%
    L83 bostick1994 colon                    RE wt  24.41%
    L84 giovannucci1994 colon                RE wt  13.73%
    L85 singh1998 colon                      RE wt   1.45%
    L86 chen1998 colorectal                  RE wt   5.13%
    L87 chen1998 colorectal                  RE wt  11.52%
    L88 tiemersma2002 colorectal             RE wt   3.96%
    L89 tiemersma2002 colorectal             RE wt   2.47%
    L90 english2004 colorectal               RE wt  20.07%
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WCRF 2007 Fig 4.3.3 - per 100 g/day (Larsson CI printed 1.05-0.95 -> not usable)
  published : 1.29 (1.05-1.59) fig / 1.29 (1.04-1.60) text / 1.29 (0.94-1.78) CUP T36; I2=32%
  recomputed: k=2  RE 1.20 (0.86-1.67)  FE 1.18 (0.89-1.57)  Q=1.30 df=1  I2=23.2%  tau2=0.0142
    L91 pietinen1999 colorectal              RE wt  62.86%
    L92 norat2005 colorectal                 RE wt  37.14%
    (no usable CI, not pooled: L93 larsson2005 colorectal)
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WCRF 2007 Fig 4.3.3 sensitivity - Larsson upper CI imputed symmetric on log scale (1.43^2/1.05=1.95)
  published : 1.29 (1.05-1.59)
  recomputed: k=3  RE 1.29 (1.04-1.60)  FE 1.29 (1.05-1.59)  Q=2.11 df=2  I2=5.4%  tau2=0.0020
    L91 pietinen1999 colorectal              RE wt  36.32%
    L92 norat2005 colorectal                 RE wt  18.67%
    L93 larsson2005 colorectal               RE wt  45.01%
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CUP 2010 SLR Fig 70 (= Chan Fig 4 CRC) - DR per 100 g/day CRC
  published : 1.17 (1.05-1.31), I2=0%, p=0.483
  recomputed: k=8  RE 1.17 (1.05-1.31)  FE 1.17 (1.05-1.31)  Q=6.59 df=7  I2=0.0%  tau2=0.0000
    L96 lee2009 colorectal                   RE wt   6.85%   printed   6.78%   diff +0.07
    L97 nothlings2009 colorectal             RE wt   6.30%   printed   6.25%   diff +0.05
    L98 larsson2005 colorectal               RE wt  13.28%   printed  13.11%   diff +0.17
    L99 norat2005 colorectal                 RE wt  44.45%   printed  44.43%   diff +0.02
    L100 english2004 colorectal              RE wt  15.40%   printed  15.79%   diff -0.39
    L101 tiemersma2002 colorectal            RE wt   3.00%   printed   2.98%   diff +0.02
    L102 jarvinen2001 colorectal             RE wt   7.81%   printed   7.74%   diff +0.07
    L103 pietinen1999 colorectal             RE wt   2.91%   printed   2.92%   diff -0.01
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CUP 2010 SLR Fig 71 female subtotal (Lee, Larsson from Fig 70 rows; Tiemersma F)
  published : 1.05 (0.78-1.42), I2=21.9%; printed wts Lee 35.70, Larsson 55.60, Tiemersma 8.71
  recomputed: k=3  RE 1.05 (0.78-1.43)  FE 1.07 (0.84-1.37)  Q=2.62 df=2  I2=23.6%  tau2=0.0187
    L96 lee2009 colorectal                   RE wt  35.96%   printed  35.70%   diff +0.26
    L98 larsson2005 colorectal               RE wt  55.24%   printed  55.60%   diff -0.36
    L104 tiemersma2002 colorectal            RE wt   8.80%   printed   8.71%   diff +0.09
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CUP 2010 SLR Fig 71 male subtotal (Tiemersma M; Pietinen from Fig 70 row)
  published : 1.28 (0.49-3.35), I2=64.3%; printed wts Tiemersma 43.79, Pietinen 56.21
  recomputed: k=2  RE 1.28 (0.49-3.35)  FE 1.15 (0.67-1.97)  Q=2.82 df=1  I2=64.5%  tau2=0.3152
    L105 tiemersma2002 colorectal            RE wt  43.88%   printed  43.79%   diff +0.09
    L103 pietinen1999 colorectal             RE wt  56.12%   printed  56.21%   diff -0.09
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CUP 2010 SLR Fig 74 - DR per 100 g/day colon
  published : 1.12 (0.97-1.29), I2=0%, p=0.888
  recomputed: k=9  RE 1.12 (0.97-1.29)  FE 1.12 (0.97-1.29)  Q=3.66 df=8  I2=0.0%  tau2=0.0000
    L106 lee2009 colon                       RE wt   4.91%   printed   4.94%   diff -0.03
    L107 oba2006 colon                       RE wt   2.11%   printed   2.13%   diff -0.02
    L108 norat2005 colon                     RE wt  42.55%   printed  42.51%   diff +0.04
    L109 english2004 colon                   RE wt  14.19%   printed  13.95%   diff +0.24
    L110 wei2004 colon                       RE wt  15.39%   printed  15.55%   diff -0.16
    L111 wei2004 colon                       RE wt   9.44%   printed   9.45%   diff -0.01
    L112 jarvinen2001 colon                  RE wt   7.43%   printed   7.47%   diff -0.04
    L113 singh1998 colon                     RE wt   0.70%   printed   0.70%   diff +0.00
    L114 bostick1994 colon                   RE wt   3.29%   printed   3.29%   diff -0.00
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CUP 2010 SLR Fig 75 female subtotal
  published : 1.00 (0.72-1.38); printed wts Lee 26.64, Oba 4.66, Wei 50.94, Bostick 17.76
  recomputed: k=4  RE 1.00 (0.72-1.38)  FE 1.00 (0.72-1.38)  Q=1.89 df=3  I2=0.0%  tau2=0.0000
    L106 lee2009 colon                       RE wt  26.51%   printed  26.64%   diff -0.13
    L115 oba2006 colon                       RE wt   4.71%   printed   4.66%   diff +0.05
    L111 wei2004 colon                       RE wt  51.01%   printed  50.94%   diff +0.07
    L114 bostick1994 colon                   RE wt  17.77%   printed  17.76%   diff +0.01
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CUP 2010 SLR Fig 75 male subtotal
  published : 1.06 (0.75-1.50); printed wts Oba 7.54, Wei 92.46
  recomputed: k=2  RE 1.07 (0.76-1.51)  FE 1.07 (0.76-1.51)  Q=0.00 df=1  I2=0.0%  tau2=0.0000
    L116 oba2006 colon                       RE wt   7.65%   printed   7.54%   diff +0.11
    L110 wei2004 colon                       RE wt  92.35%   printed  92.46%   diff -0.11
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Chan 2011 Fig 4 - DR per 100 g/day colon (10 rows incl. Larsson 2005)
  published : 1.17 (1.02-1.33), I2=0%, p=0.646
  recomputed: k=10  RE 1.17 (1.02-1.34)  FE 1.17 (1.02-1.34)  Q=6.93 df=9  I2=0.0%  tau2=0.0000
    L155 larsson2005 colon                   RE wt  10.33%   printed  10.33%   diff +0.00
    L156 bostick1994 colon                   RE wt   2.95%   printed   2.95%   diff -0.00
    L157 singh1998 colon                     RE wt   0.63%   printed   0.63%   diff -0.00
    L158 jarvinen2001 colon                  RE wt   6.66%   printed   6.70%   diff -0.04
    L159 english2004 colon                   RE wt  12.73%   printed  12.51%   diff +0.22
    L160 wei2004 colon                       RE wt   8.47%   printed   8.47%   diff -0.00
    L161 wei2004 colon                       RE wt  13.80%   printed  13.95%   diff -0.15
    L162 norat2005 colon                     RE wt  38.15%   printed  38.12%   diff +0.03
    L163 oba2006 colon                       RE wt   1.89%   printed   1.91%   diff -0.02
    L164 lee2009 colon                       RE wt   4.40%   printed   4.43%   diff -0.03
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CUP 2010 SLR Fig 78 (= Chan Fig 4 rectal) - DR per 100 g/day rectum
  published : 1.18 (0.98-1.42), I2=0%, p=0.666
  recomputed: k=7  RE 1.18 (0.98-1.43)  FE 1.18 (0.98-1.43)  Q=4.09 df=6  I2=0.0%  tau2=0.0000
    L117 lee2009 rectum                      RE wt   5.36%   printed   5.34%   diff +0.02
    L118 larsson2005 rectum                  RE wt  10.75%   printed  10.87%   diff -0.12
    L119 norat2005 rectum                    RE wt  47.17%   printed  47.17%   diff +0.00
    L120 english2004 rectum                  RE wt  16.43%   printed  16.35%   diff +0.08
    L121 wei2004 rectum                      RE wt   7.22%   printed   7.30%   diff -0.08
    L122 wei2004 rectum                      RE wt   4.80%   printed   4.72%   diff +0.08
    L123 jarvinen2001 rectum                 RE wt   8.28%   printed   8.24%   diff +0.04
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Chan 2011 Table 1 - HvL CRC (= SLR Fig 73, 12 studies)
  published : 1.10 (1.00-1.21), I2=22%, p=0.22
  recomputed: k=12  RE 1.10 (1.00-1.21)  FE 1.10 (1.02-1.19)  Q=14.18 df=11  I2=22.4%  tau2=0.0059
    L124 cross2010 colorectal                RE wt  21.08%
    L125 lee2009 colorectal                  RE wt   7.84%
    L126 nothlings2009 colorectal            RE wt  10.29%
    L127 butler2008 colorectal               RE wt  13.05%
    L128 chan2005 colorectal                 RE wt   6.11%
    L129 larsson2005 colorectal              RE wt  12.42%
    L130 norat2005 colorectal                RE wt  11.11%
    L131 english2004 colorectal              RE wt   7.14%
    L132 tiemersma2002 colorectal            RE wt   2.46%
    L133 jarvinen2001 colorectal             RE wt   1.90%
    L134 pietinen1999 colorectal             RE wt   4.19%
    L135 kato1997 colorectal                 RE wt   2.41%
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Chan 2011 Table 1 - HvL colon (SLR Fig 77, all 12 lines entered separately)
  published : 1.18 (1.04-1.35), n=10, I2=0%, p=0.70
  recomputed: k=12  RE 1.18 (1.04-1.35)  FE 1.18 (1.04-1.35)  Q=10.69 df=11  I2=0.0%  tau2=0.0000
    L136 lee2009 colon                       RE wt   8.12%
    L137 oba2006 colon                       RE wt   7.50%
    L138 oba2006 colon                       RE wt   7.39%
    L139 larsson2005 colon                   RE wt   8.18%
    L140 larsson2005 colon                   RE wt  10.76%
    L141 norat2005 colon                     RE wt  18.68%
    L142 english2004 colon                   RE wt   9.98%
    L143 wei2004 colon                       RE wt   4.95%
    L144 wei2004 colon                       RE wt   6.27%
    L145 jarvinen2001 colon                  RE wt   2.33%
    L146 singh1998 colon                     RE wt   8.45%
    L147 bostick1994 colon                   RE wt   7.39%
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Chan 2011 HvL colon - Oba M+F and Larsson prox+dist combined (FE) within study -> 10 studies
  published : 1.18 (1.04-1.35), n=10, I2=0%
  recomputed: k=10  RE 1.18 (1.04-1.35)  FE 1.18 (1.04-1.35)  Q=6.42 df=9  I2=0.0%  tau2=0.0000
    L136 lee2009 colon                       RE wt   8.12%
    L141 norat2005 colon                     RE wt  18.68%
    L142 english2004 colon                   RE wt   9.98%
    L143 wei2004 colon                       RE wt   4.95%
    L144 wei2004 colon                       RE wt   6.27%
    L145 jarvinen2001 colon                  RE wt   2.33%
    L146 singh1998 colon                     RE wt   8.45%
    L147 bostick1994 colon                   RE wt   7.39%
    Oba 2006 M+F FE 0.90 (0.64-1.27)         RE wt  14.90%
    Larsson 2005 prox+dist FE 1.42 (1.05-1.92) RE wt  18.94%
----------------------------------------------------------------------------------------------------
Chan 2011 Table 1 - HvL rectum (= SLR Fig 81, 7 lines)
  published : 1.14 (0.83-1.56), I2=38%, p=0.14
  recomputed: k=7  RE 1.14 (0.83-1.56)  FE 1.13 (0.90-1.42)  Q=9.69 df=6  I2=38.1%  tau2=0.0638
    L148 lee2009 rectum                      RE wt  14.86%
    L149 larsson2005 rectum                  RE wt  24.20%
    L150 norat2005 rectum                    RE wt  23.57%
    L151 english2004 rectum                  RE wt  15.55%
    L152 wei2004 rectum                      RE wt   6.98%
    L153 wei2004 rectum                      RE wt   8.12%
    L154 jarvinen2001 rectum                 RE wt   6.71%
----------------------------------------------------------------------------------------------------
Chan 2011 Table 1 - HvL proximal colon (Larsson 2005 + Chao 2005)
  published : 1.13 (0.83-1.54), n=2, I2=0%, p=0.83
  recomputed: k=2  RE 1.20 (0.93-1.54)  FE 1.20 (0.93-1.54)  Q=0.30 df=1  I2=0.0%  tau2=0.0000
    L168 larsson2005 proximal_colon          RE wt  40.72%
    L170 chao2005 proximal_colon             RE wt  59.28%
----------------------------------------------------------------------------------------------------
Chan 2011 Table 1 - HvL distal colon (Larsson 2005 + Chao 2005)
  published : 1.57 (0.98-2.49), n=2, I2=53%, p=0.15
  recomputed: k=2  RE 1.18 (0.43-3.25)  FE 1.13 (0.83-1.53)  Q=10.80 df=1  I2=90.7%  tau2=0.4819
    L169 larsson2005 distal_colon            RE wt  49.52%
    L171 chao2005 distal_colon               RE wt  50.48%
  NB: no pair of Larsson/Chao/Norat proximal or distal values available in the sources reproduces Chan T1;
      Larsson+Norat distal = 1.83 (1.25-2.68), Larsson+Chao = 1.18 (0.43-3.25). Unresolved (see report).
