Table 1. Per-Patient Comparisons of Demographic Characteristics in the Rebleeding Positive and Negative Groups.
| Characteristics | Total (n=198) | Rebleeding | P-value | |
|---|---|---|---|---|
| Negative group (n=183) | Positive group (n=15) | |||
| Age (yr) | 60.10±11.20 | 60.20±10.98 | 58.80±13.98 | 0.637 |
| Male sex | 150 (75.8) | 141 (77.0) | 9 (60.0) | 0.205 |
| Laboratory finding | ||||
| Hb before polypectomy (g/dL) | 14.10±1.93 | 14.10±1.83 | 13.50±2.89 | 0.254 |
| Hb after DPPB (g/dL) | 13.10±2.36 | 13.10±2.32 | 12.70±2.80 | 0.572 |
| PT (sec) | 11.80±2.48 | 11.80±2.54 | 12.10±1.65 | 0.652 |
| Current medication | ||||
| Aspirin | 19 (9.6) | 18 (9.5) | 1 (6.7) | 0.598 |
| Clopidogrel | 8 (4.0) | 7 (3.8) | 1 (6.7) | 0.509 |
| Aspirin+clopidogrel | 7 (3.5) | 6 (3.3) | 1 (6.7) | |
| Warfarin | 28 (14.1) | 25 (13.7) | 3 (20.0) | 0.471 |
| Comorbidity | ||||
| Hypertension | 71 (35.9) | 66 (36.1) | 5 (33.3) | 0.832 |
| Cerebrovascular disease | 14 (7.1) | 13 (7.1) | 1 (6.7) | 0.713 |
| Coronary artery disease | 13 (6.6) | 11 (6.0) | 2 (13.3) | 0.257 |
| Liver cirrhosis | 7 (3.6) | 5 (2.7) | 2 (13.3) | 0.090 |
Values are presented mean±SD or number (%).
Hb, hemoglobin; DPPB, delayed postpolypectomy bleeding.