Table 3.
Odds ratios of the association between index serrated polyps and advanced colorectal neoplasia according to size, location, and the number of serrated polyps among those with index SSA/Ps (n = 217)
| Cases n (%) | Controls n (%) | Adjusted ORa (95% CI) | |
|---|---|---|---|
| Size | |||
| All < 10 mm | 12 (63) | 136 (69) | 1.00 (Ref) |
| Any 10 +mm | 3 (16) | 46 (23) | 1.22 (0.29–5.10) |
| Location | |||
| Rectum/RSG/Left | 5 (26) | 44 (22) | 1.00 (Ref) |
| Right | 13 (68) | 149 (75) | 0.67 (0.20–2.22) |
| Presence of multiple SSA/Ps | |||
| No | 14 (74) | 156 (79) | 1.00 (Ref) |
| Yes | 5 (26) | 42 (21) | 1.35 (0.46–3.93) |
| Number of synchronous serrated polyps | |||
| 1 SSA/P only | 10 (53) | 109 (55) | 1.00 (Ref) |
| SSA/P+1 HP or SSA/P | 5 (26) | 52 (26) | 0.80 (0.22–2.89) |
| SSA/P+ 2 HP or SSA/P | 2 (11) | 18 (9) | 1.04 (0.26–4.12) |
| SSA/P + 3 or more HP or SSA/P | 2 (11) | 19 (10) | 1.60 (0.30–8.50) |
a
Adjusted for age at index colonoscopy (continuous), sex, BMI (continuous with multiple imputation), smoking status (never vs. ever with multiple imputation), and year between index and subsequent procedure