Table 2 Risk factors for advanced adenomatous polyps (AAP)
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 | – |