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(A) Pooled odds ratios (ORs) from six studies of 289 colorectal cancer (CRC) and 188 normal colorectal mucosa.a (B) The pooled OR from two studies including 73 CRC and 42 colorectal adenoma.b
Notes: aOR =0.07, CI =0.00–0.54, P<0.00001; bOR =1.68, CI =0.77–3.68, P=0.19.
Abbreviations: CI, confidence interval; M-H, Mantel-Haenszel; OR, odds ratio; df, degrees of freedom.
