Table 2 Management and outcomes in patients with acute hematochezia in the unmatched and the matched cohorts: high-volume versus low-volume hospitals.
From: Outcomes in high and low volume hospitals in patients with acute hematochezia in a cohort study
Unmatched cohort (n = 8268) | Matched cohort (n = 5288) | |||||
|---|---|---|---|---|---|---|
High-volume hospitals (n = 4653) | Low-volume hospitals (n = 3615) | P value | High volume hospitals (n = 2644) | Low-volume hospitals (n = 2644) | P value | |
CT, n (%) | 3595 (77) | 2224 (62) | < 0.0001 | 2113 (80) | 1751 (67) | < 0.0001 |
CT as a first-diagnostic method, n (%) | 3458 (75) | 2019 (56) | < 0.0001 | 2041 (77) | 1605 (61) | < 0.0001 |
Enhanced CT out of total CT cases, n (%) | 2735 (76) | 1509 (68) | < 0.0001 | 1614 (76) | 1180 (67) | < 0.0001 |
Colonoscopy, n (%) | 3898 (84) | 3384 (94) | < 0.0001 | 2237 (85) | 2517 (95) | < 0.0001 |
Colonoscopy as a first-diagnostic method, n (%) | 1003 (22) | 1471 (41) | < 0.0001 | 506 (19) | 951 (36) | < 0.0001 |
Early colonoscopy, n (%) | 2157 (55) | 2495 (74) | < 0.0001 | 1234 (55) | 1807 (72) | < 0.0001 |
Endoscopic therapy, n (%) | 1083 (23) | 1106 (31) | < 0.0001 | 633 (24) | 788 (30) | < 0.0001 |
Indirect clip, n (%) | 458 (9.8) | 537 (15) | < 0.0001 | 236 (8.9) | 372 (14) | < 0.0001 |
Direct clip, n (%) | 267 (5.7) | 151 (4.2) | 0.001 | 162 (6.1) | 102 (3.9) | < 0.0001 |
EBL, n (%) | 214 (4.6) | 261 (7.22) | < 0.0001 | 150 (5.7) | 197 (7.5) | 0.009 |
EDSL, n (%) | 71 (1.5) | 8 (0.2) | < 0.0002 | 42 (1.6) | 6 (0.2) | < 0.0001 |
IVR, n (%) | 57 (1.2) | 49 (1.4) | 0.6 | 35 (1.3) | 45 (1.7) | 0.26 |
Surgery, n (%) | 59 (1.3) | 30 (0.8) | 0.055 | 34 (1.3) | 25 (1) | 0.24 |
Rebleeding within 30 days, n (%) | 692 (15) | 609 (17) | 0.014 | 436 (16) | 457 (17) | 0.44 |
Death within 30 days, n (%) | 66 (1.4) | 31 (0.9) | 0.019 | 45 (1.7) | 21 (0.8) | 0.003 |
Transfused RPBCs, packs, median (IQR) | 0 (0–2) | 0 (0–2) | < 0.0001 | 0 (0–4) | 0 (0–2) | < 0.0001 |
Length of hospital stay, days, median (IQR) | 7 (5–11) | 7 (5–11) | 0.016 | 7 (5–12) | 7 (5–11) | 0.25 |
