Table 3.
Comparative analysis regarding outcomes of acute hematochezia between short or long cap users
| Unmatched cohort (n = 6460) | Propensity‐matched cohort (n = 3098) | |||||||
|---|---|---|---|---|---|---|---|---|
| Short cap (n = 4638) | Long cap (n = 1822) | OR, (95% CI) | P‐value | Short cap (n = 1549) | Long cap (n = 1549) | OR, (95% CI) | P‐value | |
| All SRH | 1567 (34) | 720 (40) | 1.28 (1.15–1.43) | <0.001 | 544 (35) | 588 (38) | 1.13 (0.98–1.31) | 0.10 |
| SRH, active bleeding | 799 (17) | 435 (24) | 1.51 (1.32–1.72) | <0.001 | 273 (18) | 354 (23) | 1.39 (1.16–1.65) | <0.001 |
| SRH, non‐active bleeding † | 778 (17) | 301 (17) | 0.98 (0.85–1.14) | 0.81 | 277 (18) | 250 (16) | 0.88 (0.73–1.07) | 0.20 |
| SRH, visible vessels | 312 (6.7) | 134 (7.4) | 1.10 (0.89–1.36) | 0.37 | 102 (6.6) | 112 (7.2) | 1.11 (0.84–1.46) | 0.48 |
| SRH, adherent clot | 471 (10) | 169 (9.3) | 0.91 (0.75–1.09) | 0.29 | 178 (12) | 140 (9.0) | 0.77 (0.61–0.97) | 0.025 |
| Active bleeding in left‐sided colon ‡ | 293 (6.3) | 158 (8.7) | 1.41 (1.15–1.72) | <0.001 | 103 (6.6) | 128 (8.3) | 1.27 (0.97–1.66) | 0.088 |
| Active bleeding in right‐sided colon ‡ | 488 (11) | 266 (15) | 1.45 (1.24–1.71) | <0.001 | 164 (11) | 216 (14) | 1.37 (1.10–1.70) | 0.005 |
| Blood transfusion during admission | 1482 (32) | 585 (32) | 1.01 (0.90–1.13) | 0.91 | 494 (32) | 492 (32) | 0.99 (0.86–1.16) | 0.94 |
| Need for IVR during admission | 51 (1.1) | 20 (1.1) | 1.00 (0.59–1.68) | 1.00 | 13 (0.8) | 15 (1.0) | 1.16 (0.55–2.44) | 0.70 |
| Need for surgery during admission | 30 (0.6) | 12 (0.7) | 1.02 (0.52–1.99) | 0.96 | 5 (0.3) | 11 (0.7) | 2.21 (0.77–6.37) | 0.14 |
| Length of stay (days), median (range) | 6 (0–160) | 6 (0–118) | 0.99 (0.982–0.995) | <0.001 | 6 (0–100) | 6 (0–118) | 1.00 (0.99–1.01) | 0.89 |
| 30‐day rebleeding | 651 (14) | 269 (15) | 1.06 (0.91–1.24) | 0.45 | 238 (15) | 228 (15) | 0.95 (0.78–1.16) | 0.62 |
| 30‐day mortality | 53 (1.1) | 12 (0.7) | 0.57 (0.31–1.08) | 0.083 | 15 (1.0) | 11 (0.7) | 0.73 (0.34–1.60) | 0.43 |
†
Non‐active bleeding was defined as visible vessels and adherent clot.
‡
The left‐sided colon was defined as descending and sigmoid colon and rectum; and the right‐sided colon was the other locations.
Values are in numbers and %. Bold values indicate P < 0.05. Each OR was obtained by univariate logistic regression analysis.
CI, confidence interval; IVR, interventional radiology; OR, odds ratio; SRH, stigmata of recent of hemorrhage.