Table 2.
Characteristics data for patients with drainage
|
Characteristics, n (%)
|
Total (n = 915)
|
Grade I (n = 302) |
Grade II (n = 306) |
Grade III (n = 307) |
P
value
|
| Drainage method, n (%) | 0.001 | ||||
| ERCP | 830 (90.7) | 289 (95.7) | 269 (87.9) | 272 (88.6) | |
| PTBD | 85 (9.3) | 13 (4.3) | 37 (12.1) | 35 (11.4) | |
| Timing of drainage (hours)- median (IQR), n (%) | 24.0 (60.0) | 26.4 (62.4) | 26.4 (62.4) | 21.6 (45.6) | 0.001 |
| Biliary drainage within, n (%) | 0.001 | ||||
| 12 h | 212 (23.2) | 54 (17.9) | 69 (22.5) | 89 (29.0) | |
| 12-24 h | 233 (25.5) | 74 (24.5) | 70 (22.9) | 89 (29.0) | |
| 24-48 h | 172 (18.8) | 71 (23.5) | 54 (17.6) | 47 (15.3) | |
| > 48 h | 298 (32.6) | 103 (34.1) | 113 (36.9) | 82 (26.7) | |
| Second intervention, n (%) | 478 (52.2) | 159 (52.6) | 154 (50.3) | 165 (53.7) | 0.688 |
| Drainage outside working hours, n (%) | 207 (22.6) | 49 (16.2) | 60 (19.6) | 98 (31.9) | < 0.001 |
| Adverse events, n (%) | |||||
| Pancreatitis | 75 (8.2) | 23 (7.6) | 23 (7.5) | 29 (9.4) | 0.643 |
| Cholangitis | 8 (0.9) | 2 (0.7) | 2 (0.7) | 4 (1.3) | 0.742 |
| Perforation | 7 (0.8) | 1 (0.3) | 2 (0.7) | 0 (0) | 0.440 |
| Bile leak | 4 (0.4) | 2 (0.7) | 1 (0.3) | 1 (0.3) | 0.701 |
| Myocardial infarction | 5 (0.5) | 0 (0) | 3 (1.0) | 2 (0.7) | 0.339 |
IQR: Interquartile range; ERCP: Endoscopic retrograde cholangiopancreatography; PTBD: Percutaneous transhepatic biliary drainage.