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Table 2 Subgroup analyses of GIM and risk of cancer/dysplasia

From: A meta-analysis and systematic review on subtypes of gastric intestinal metaplasia and neoplasia risk

Group No. of studies Pooled RR (95% CI) Heterogeneity
I2 (%) P
Subtype
 III vs. II + I 7 6.27 (1.89–20.77) 92.0 < 0.001
 III vs. II 7 5.55 (2.07–14.92) 83.3 < 0.001
 II vs Ia 6 1.62 (1.16–2.27) 0.0 0.697
Design
 Cohort 7 5.05 (2.96–8.63) 34.9 0.162
 Case control 5 3.15 (1.48–6.73) 86.3 < 0.001
Country of origin
 East Asia 3 4.01 (0.82–19.61) 84.9 < 0.001
 Western countries 8 4.65 (2.30–9.42) 74.8 < 0.001
  1. aResults of the remaining 6 studies after excluding 1 study [31] by sensitivity analysis