Table 1 Preoperative clinical characteristics of the patients
Variable | Group 1 (n = 138) | Group 2 (n = 63) | P value |
|---|---|---|---|
Sex [male (%)] | 82 (59.4%) | 33 (52.4%) | 0.349 |
Age (years) | 73.00 (63.00–82.00) | 76.00 (63.00–84.00) | 0.526 |
Length of stay before PC (days) | 1 (0–3) | 5 (3–12) | 0.000 |
ASA score > 2 | 72 (52.2%) | 36 (57.1%) | 0.512 |
Cerebrovascular disease | 29 (21.0%) | 17 (27.0%) | 0.350 |
Diabetes | 42 (30.4%) | 15 (23.8%) | 0.334 |
Parenteral nutrition | 19 (13.8%) | 11 (17.5%) | 0.496 |
Preoperative body temperature (℃) | 37.7 (36.7–39.0) | 38.4 (37.1–39.0) | 0.043 |
Initial laboratory values | |||
Platelets (× 109 L) | 190.50 (138.25–260.75) | 188.00 (157.00–246.00) | 0.769 |
White blood cells (× 109 L) | 12.25 (8.30–16.18) | 11.35 (7.60–16.95) | 0.464 |
Neutrophil granulocytes (%) | 86.30 (79.28–90.73) | 83.80 (79.60–89.90) | 0.145 |
ALT (U/L) | 30.85 (19.00–66.33) | 30.00 (17.00–54.80) | 0.632 |
STB (μmol/L) | 23.45 (15.68–40.13) | 26.40 (15.70–40.60) | 0.834 |
UCB (μmol/L) | 12.95 (7.05–22.03) | 13.40 (7.40–24.20) | 0.672 |
Preoperative CT characteristics | |||
Gallbladder stones | 72 (52.2%) | 32 (50.8%) | 0.856 |
Cystic duct or neck of the gallbladder stones | 56 (40.6%) | 19 (30.2%) | 0.156 |
Stratification of bile in the lumen | 13 (9.4%) | 4 (6.3%) | 0.468 |
Gas within the gallbladder lumen | 4 (2.9%) | 1 (1.6%) | 0.948 |
Defects in the gallbladder mucosa or sloughed intraluminal membranes | 3 (2.2%) | 1 (1.6%) | 1.000 |
Defects in the gallbladder wall | 1 (0.7%) | 0 (0%) | 1.000 |
Pericholecystic exudation or fluid | 77 (55.8%) | 27 (42.9%) | 0.089 |
Hepatic parenchyma of the gallbladder fossa appeared hypodense | 7 (5.1%) | 1 (1.6%) | 0.433 |
CBD stones | 11 (8.0%) | 8 (12.7%) | 0.288 |
Gallbladder wall thickness (mm) | 2.85 (2.40–3.50) | 2.80 (2.40–3.40) | 0.649 |
Ratio of short to long axis of gallbladder | 0.49 (0.43–0.56) | 0.46 (0.41–0.54) | 0.123 |
Acute suppurative cholecystitis | 39 (28.3%) | 22 (34.9%) | 0.341 |