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Table 2 Risk factors for advanced adenomatous polyps (AAP)

From: Short-term aspirin and statin chemoprophylaxis did not reduce the risk of developing advanced adenomatous polyps in Black patients

Variable Number of patients AAP on subsequent colonoscopy Univariate analysis Multivariate analysis
No (n = 641) Yes (n = 185) T-test or Chi-squared p-value Odds ratio (95%CI) p-value
Mean Age at First Colonoscopy 826 59.5 (SD 8.92) 59.8 (SD 7.9) 0.47 0.64 0.99 (0.96–1.02) 0.49
Body Mass Index 754 30.3 (SD 7.1) 31.1 (SD 7.5) 1.25 0.21 1.02 (0.99–1.05) 0.24
Never Smoker 249 204 (32.2%) 45 (24.5%) 1.04 (0.52–2.1) 0.91
Former Smoker 309 216 (34.1%) 93 (50.5%) 2.4 (1.4–4.4) 0.003
Current Smoker 260 214 (33.7%) 46 (25.0%) Reference
Concomitant Aspirin and Statin 295 236 (52.0%) 59 (55.7%) 0.47 0.50 1.0 (0.65–1.7) 0.87
Aspirin or Statin or Neither 265 218 (48.0%) 47 (44.3%) Reference