Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 14, 2013; 19(26): 4234-4241
Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4234
Table 3 Stratified analysis of pancreatic cancer risk by adjusted covariates
Stratifying variablesStudies (n)OR (95%CI)Tests for heterogeneity
χ2P valueI2
Adjusted for smoking
Yes41.32 (1.08-1.56)4.140.24627.60%
No20.99 (0.68-1.30)0.180.6700.00%
Adjusted for drinking
Yes31.51 (1.17-1.85)1.700.4280.00%
No31.05 (0.83-1.28)0.530.7660.00%
Adjusted for diabetes
Yes41.25 (0.95-1.55)5.220.15642.50%
No21.24 (0.50-1.98)1.540.21435.20%