Table 1.
Characteristics of the study population and four patient groups undergoing LC following PGBD
| Total (n = 177) |
Q1 (n = 45) |
Q2 (n = 44) |
Q3 (n = 44) |
Q4 (n = 44) |
Test | p-value | |
|---|---|---|---|---|---|---|---|
| Age (yr) | 70 (61–80) | 65 (56–78) | 69 (59–75) | 74 (64–82) | 76 (64–83) | KW | 0.008 |
| Male | 78 (44.1) | 22 (48.9) | 17 (38.6) | 20 (45.5) | 19 (43.2) | χ2 | 0.801 |
| Time from PGBD to LC (day) | 17 (9–32) | ||||||
| Preoperative ERCP | 21 (11.9) | 4 (8.9) | 6 (13.6) | 7 (15.9) | 4 (9.1) | χ2 | 0.676 |
| Concurrent PGBD and LC during the same admission | 64 (36.2) | 39 (86.7) | 22 (50.0) | 3 (6.8) | 0 (0) | χ2 | 0.001 |
| Diabetes mellitus | 69 (39.0) | 15 (33.3) | 16 (36.4) | 21 (47.7) | 17 (38.6) | χ2 | 0.542 |
| Hypertension | 116 (65.5) | 28 (62.2) | 26 (59.1) | 29 (65.9) | 33 (75.0) | F | 0.427 |
| Coronary artery disease, overall | 47 (26.6) | 11 (24.4) | 10 (22.7) | 10 (22.7) | 16 (36.4) | F | 0.402 |
| Coronary stenting | 8 (4.5) | 3 (6.7) | 0 (0) | 3 (6.8) | 2 (4.5) | F | 0.376 |
| CCI | 1 (0–1) | 1 (0–2) | 0.5 (0–1) | 1 (0–1) | 1 (0–1) | KW | 0.426 |
| TG18 Grade of cholecystitis | F | 0.046 | |||||
| Grade 1 | 7 (4.0) | 0 (0) | 3 (6.8) | 1 (2.3) | 3 (6.8) | ||
| Grade 2 | 139 (78.5) | 41 (91.1) | 36 (81.8) | 33 (75.0) | 29 (65.9) | ||
| Grade 3 | 31 (17.5) | 4 (8.9) | 5 (11.4) | 10 (22.7) | 12 (27.3) |
Values are presented as number (%) or median (interquartile range).
Q1–Q4 refer to quartiles of the interval between gallbladder drainage and surgery: Q1 ≤ 9 days; Q2 = 10–17 days; Q3 = 18–32 days; Q4 ≥ 32 days.
KW, Kruskal-Wallis test; χ², chi-squared test; F, Fisher’s exact test; PGBD, percutaneous gallbladder drainage; LC, laparoscopic cholecystectomy; ERCP, endoscopic retrograde cholangiopancreatography; CCI, Charlson Comorbidity Index; TG18, Tokyo Guidelines 2018.