Table 2. Description of 30-Day Postcolonoscopy Complications.
| Characteristic | No. (%) | P valuea | ||
|---|---|---|---|---|
| Total (N = 38 069) | CRC screening-eligible cohort (n = 30 443) | Older cohort (n = 7626) | ||
| Admission or ED visit | 1310 (3.4) | 795 (2.6) | 515 (6.8) | <.001 |
| Postcolonoscopy bleeding | 141 (0.4) | 76 (0.2) | 65 (0.9) | <.001 |
| Bowel perforation | 18 (0.05) | 12 (0.04) | 6 (0.08) | .15 |
| Cardiovascular-related admissions | 274 (0.7) | 138 (0.5) | 136 (1.8) | <.001 |
| Nongastrointestinal malignancy | 149 (0.4) | 97 (0.3) | 52 (0.7) | <.001 |
| Infection-related admissions | 148 (0.4) | 93 (0.3) | 95 (1.2) | <.001 |
| Colorectal surgeryb | 65 (0.2) | 47 (0.2) | 18 (0.2) | .12 |
| Nonsurgically treated CRC | 20 (0.1) | 13 (0.04) | 7 (0.1) | .09 |
| Diverticular disease | 27 (0.07) | 21 (0.07) | 6 (0.08) | .78 |
| Palliative care | 27 (0.07) | 19 (0.06) | 8 (0.1) | .21 |
| Other | 401 (1.1) | 279 (0.9) | 122 (1.6) | <.001 |
Abbreviations: CRC, colorectal cancer; ED, emergency department.
a
Hypothesis testing was carried out with χ2 or Fisher exact test.
b
Unrelated to CRC.