Table 3.
Polyp and adenoma detection rates by qualitative assessment of bowel cleanliness at Boston Medical Center (BMC) and within the Clinical Outcomes Research Initiative (CORI).
| Qualitative score |
Frequency, n (%) |
OR (95% CI) | Adjusted OR (95% CI)1 |
|
|---|---|---|---|---|
| Boston Medical Center | ||||
| Polyp | Excellent Good |
318 (48.5) 618 (54.3) |
ref 1.3 [1.0-1.5] |
ref 1.1 [0.94-1.4] |
| Adenoma | Excellent Good |
242 (37.2) 484 (43.3) |
ref 1.3 [1.1-1.6] |
ref 1.2 [0.94-1.4] |
|
Advanced
adenoma |
Excellent Good |
31 (4.7) 76 (6.7) |
ref 1.4 [0.94-2.2] |
ref 1.3 [0.83-2.0] |
| Clinical Outcomes Research Initiative | ||||
| Polyp | Excellent Good Fair |
206 (36.8) 101 (73.2) 191 (53.5) |
ref 4.7 [3.1-7.1] 2.0 [1.5-2.6] |
ref 1.4 [2.2-5.2] 1.9 [1.4-2.4] |
| Polyp > 9 mm | Excellent Good Fair |
18 (3.2) 21 (15.2) 22 (6.2) |
ref 5.4 [2.8-10.5] 2.0 [1.0-3.7] |
ref 3.8 [1.9-7.6] 1.8 [0.94-3.4] |
1
Adjusted for age, gender, and race/ethnicity in BMC data; adjusted for age, gender in CORI (race/ethnicity not available).
CI, confidence interval; OR, odds ratio; ref, reference