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Table 5 Logistic regression models for occurrence of HGD/adenocarcinoma in any synchronous polyp

From: Frequent co-occurrence of high-grade dysplasia in large flat colonic polyps (>20 mm) and synchronous polyps

Multivariate logistic model
Parameter n OR (lower – upper 95 % CI) p-value
Increase in size of large polyp (per 10 mm) 352 1.14 (0.94–1.38) 0.17
Increase in age (per 5 years) 0.97 (0.84–1.12) 0.66
Female vs. male sex 1.01 (0.53–1.86) 0.98
Increase in number of synchronous polyps (per 1 polyp) 1.16 (1.09–1.24) <0.0001
large polyp with HGD or adenocarcinoma vs. other histology 3.33 (1.77–6.35) 0.0002
Location of large polyp in rectosigmoid colon vs. other location in the colon 0.84 (0.40–1.67) 0.62
Location of any synchronous polyp in the rectosigmoid colon vs. other location   2.65 (1.44–5.0) 0.002