Table 1.
Patient and Colonoscopy Characteristics
| Characteristics | N | (%) |
|---|---|---|
| Patient Total* | 7972 | 100.0% |
| Age at colonoscopy (years) | ||
| 40–49 | 433 | 5.4% |
| 50–59 | 4141 | 51.9% |
| 60–69 | 2287 | 28.7% |
| 70+ | 1111 | 13.9% |
| Sex | ||
| Male | 3526 | 44.2% |
| Female | 4129 | 51.8% |
| Race | ||
| Non-white | 341 | 4.3% |
| White | 7327 | 91.9% |
| Body Mass Index (kg/m2)** | ||
| <25 (underweight & normal) | 2168 | 27.2% |
| ≥25 to < 30 (overweight) | 2848 | 35.7% |
| ≥30 to <35 (Obesity Class I) | 1600 | 20.1% |
| ≥35 (Obesity Classes II & III) | 866 | 10.9% |
| First colonoscopy** | ||
| No | 4159 | 52.2% |
| Yes | 3593 | 45.1% |
| Colonoscopy Total | 7996 | 100.0% |
| Indication for colonoscopy | ||
| Screening | 5521 | 69.0% |
| Surveillance | 2475 | 31.0% |
| Preparation | ||
| Excellent | 3223 | 40.3% |
| Good | 4773 | 59.7% |
| Withdrawal time recorded (Yes) | 7693 | 96.2% |
| Findings | ||
| Normal colonoscopies (no findings) | 4198 | 52.5% |
| Polyp detected | 3798 | 47.5% |
| Adenoma detected | 2159 | 27.0% |
| CSSP detected*** | 666 | 8.3% |
*
Missing (N, %): Sex (317,4.0), Race (304, 3.8), BMI (490, 6.2), First colonoscopy (220, 2.8),.
**
Characteristic pertains to the first exam in the 2 year study analysis period.
***
CSSP: Clinically significant serrated polyp; includes all serrated adenomas and sessile serrated polyps, and hyperplastic polyps proximal to the sigmoid