Table II.
Patient characteristics by timing of biliary drainage
| Parameter | ≤ 24 h (n = 122) | > 24 h (n = 55) | ≤ 48 h (n = 148) | > 48 h (n = 29) | |
|---|---|---|---|---|---|
| Age, mean (SD) [years] | 74.51 (14.22)* | 68.87 (14.84)* | 73.88 (14.14)* | 67.03 (15.84)* | |
| Men, n (%) | 56 (45.90) | 33 (60.00) | 70 (47.30) | 19 (65.52) | |
| SAPS-II, median (IQR) | 43.99 (15.29) | 42.04 (14.13) | 43.30 (15.31) | 43.72 (13.08) | |
| Severe, n (%) | 92 (75.41) | 43 (78.18) | 111 (75) | 24 (82.76) | |
| Bacteraemia, n (%) | 27 (22.13)* | 25 (45.45)* | 37 (25)* | 15 (51.72)* | |
| Admission laboratory tests, mean (SD): | |||||
| AST | 298.12 (483.21) | 211.21 (263.92) | 282.25 (447.55) | 211.58 (306.95) | |
| ALT | 225.88 (180.40) | 173.96 (184.61) | 219.43 (181.32) | 157.27 (185.17) | |
| ALP | 38.42 (362.35) | 298.81 (237.53) | 366.33 (349.21) | 307.54 (196.34) | |
| Albumin | 2.89 (0.63) | 2.88 (0.63) | 2.89 (0.62) | 2.91 (0.67) | |
| Total bilirubin | 5.40 (3.85) | 5.09 (4.95) | 5.16 (3.70) | 6.15 (6.39) | |
| INR | 1.63 (0.97) | 1.76 (1.03) | 1.62 (0.94) | 1.89 (1.19) | |
| Leukocyte count | 16.46 (8.22) | 18.15 (11.43) | 16.54 (8.18) | 19.26 (13.75) | |
| BUN | 27.23 (16.52) | 33.89 (30.80) | 27.44 (18.26) | 38.79 (34.83) | |
| Creatinine | 1.48 (1.21) | 1.81 (2.05) | 1.49 (1.19) | 2.06 (2.61) | |
| Lactate | 2.96 (2.63) | 2.83 (2.30) | 2.87 (2.46) | 3.18 (2.92) | |
| Platelet count | 184.55 (94.29)* | 226.47 (138.86)* | 188.95 (103.42) | 242.10 (139.89) | |
*
p < 0.05. SAPS-II – Simplified Acute Physiology Score-II, AST – aspartate aminotransferase, ALT – alanine aminotransferase, ALP – alkaline phosphatase, INR – international normalised ratio, BUN – blood urea nitrogen.