TABLE 4.
Variables associated with differences in polyp removal rate
| Variable | OR* | 95% CI |
|---|---|---|
| Centre type | ||
| Community versus academic practice | 0.5420 | 0.3438–0.8545 |
| Patient age, years | ||
| 18 to 40 versus >70 | 0.2761 | 0.1134–0.6717 |
| 41 to 50 versus >70 | 0.2828 | 0.1343–0.5957 |
| 51 to 60 versus >70 | 0.6429 | 0.3518–1.1748 |
| 61 to 70 versus >70 | 0.9540 | 0.5110–1.7812 |
| Interval since most recent colonoscopy, years | ||
| Never versus <1 | 2.6378 | 0.6593–10.5544 |
| Never versus 1 to 2 | 1.3619 | 0.5391–3.4406 |
| Never versus 3 to 5 | 3.0173 | 1.4708–6.1900 |
| Never versus 6 to 10 | 2.2381 | 1.1092–4.5158 |
| Never versus >10 | 1.5641 | 0.4175–5.8597 |
| Bowel preparation quality (Ottawa scale score) | ||
| Excellent (≤5) versus not excellent (>5) | 1.5583 | 1.1057–2.1961 |
| Stable IBD | ||
| Stable IBD versus others | 3.1183 | 1.2271–7.9244 |
| Previous colon polyps | ||
| No polyps versus previous polyps | 0.2089 | 0.1275–0.3424 |
*
ORs of less than 1.0 indicate a lower probability of polyp removal. IBD Inflammatory bowel disease