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Table 4 Subgroup of the association between BMI and incidence of prostate cancer

From: Associating the risk of three urinary cancers with obesity and overweight: an overview with evidence mapping of systematic reviews

Stratification criteria Per 5 kg/m2, RR (95% CI)
Study location Asia 1.23 (0.79, 1.92)
North America 1.03 (1, 1.05)
Europe 1.01 (0.97, 1.05)
Asia versus North America (P value) 0.033
Asia versus Europe (P value) 0.014
North America versus Europe (P value) 0.409
Measure BMI measured 1.04 (1.01, 1.07)
BMI self-measured 1.02 (0.98, 1.05)
P value 0.397
Duration Duration of follow-up ≥ 10 years 1.01 (0.99, 1.04)
Duration of follow-up < 10 years 1.04 (1.01, 1.07)
P value 0.131