TABLE 1.
Descriptive statistics of average-risk patients (n = 619) who underwent index colonoscopy with fair preparation quality
| Characteristic* | Colonoscopy histologic findings | |||
|---|---|---|---|---|
| Normal result (n = 338) | Only hyperplastic polyps (n = 154) | 1-2 Small adenomas (n = 98) | 3 + Small and/or 1 large adenoma (n = 29) | |
| Demographic | ||||
| Age, mean (± SD), y | 55.3 (± 4.4) | 55.2 (± 4.3) | 55.2 (± 4.5) | 55.8 (± 3.8) |
| Sex, no. (%) | ||||
| Male | 167 (50.0) | 83 (24.9) | 63 (18.9) | 21 (6.3) |
| Female | 171 (60.0) | 71 (24.9) | 35 (12.3) | 8 (2.8) |
| BMI, mean (± SD), kg/m2 | 29.3 (± 6.4) | 30.7 (± 5.6) | 31.5 (± 8.6) | 30.9 (± 5.5) |
| Clinical | ||||
| Narcotic use,† no. (%) | 11 (3.3) | 6 (3.8) | 2 (2.0) | 0 (0) |
| TCA use,† no. (%) | 13 (3.8) | 8 (5.2) | 5 (5.1) | 0 (0) |
| Diabetic,† no. (%) | 23 (6.8) | 12 (7.7) | 8 (8.1) | 7 (24.0) |
| Procedural | ||||
| Afternoon procedure,† no. (%) | 128 (37.9) | 67 (43.5) | 36 (36.7) | 8 (27.5) |
| Procedure date, no. (%) | ||||
| 7/1-12/31/2004 | 44 (50.0) | 22 (25.0) | 15 (17.1) | 7 (8.0) |
| 1/1-12/31/2005 | 191 (52.5) | 94 (25.8) | 58 (15.9) | 21 (5.8) |
| 1/1-6/30/2006 | 103 (61.7) | 38 (22.8) | 25 (15.0) | 1 (0.6) |
| Aborted procedure,† no. (%) | 6 (1.8) | 1 (0.7) | 1 (1.0) | 2 (6.9) |
SD, Standard deviation; BMI, body mass index.
*
Total may not add up to 619 due to missing data.
†
Percentages calculated with column total as denominator.