Table 2.
Early postoperative outcomes of four patient groups undergoing LC following PGBD
| Q1 (n = 45) | Q2 (n = 44) | Q3 (n =44) | Q4 (n = 44) | Test | p-value | |
|---|---|---|---|---|---|---|
| Operative time (min) | 95 (85–130) | 100 (78–130) | 90 (70–116) | 113 (80–163) | KW | 0.147 |
| Conversion to open surgery | 0 (0) | 2 (4.5) | 0 (0) | 1 (2.3) | F | 0.334 |
| Subtotal cholecystectomy | 1 (2.2) | 0 (0) | 1 (2.3) | 1 (2.3) | F | > 0.999 |
| Intraoperative bleeding | 25 (55.6) | 16 (36.4) | 27 (61.4) | 30 (68.2) | χ2 | 0.019 |
| Major bleedinga) | 10 (22.2) | 6 (13.6) | 4 (9.1) | 12 (27.3) | χ2 | 0.111 |
| Bile duct injury | 1 (2.2) | 0 (0) | 1 (2.3) | 0 (0) | F | > 0.999 |
| Postoperative day | 4 (4–6) | 4 (3–5) | 4 (3–6) | 4 (3–6) | KW | 0.701 |
| Overall complications | 7 (15.6) | 7 (15.9) | 5 (11.4) | 9 (20.5) | χ2 | 0.713 |
| Clavien-Dindo classification | F | 0.912 | ||||
| Grade 0 | 38 (84.4) | 37 (84.1) | 39 (88.6) | 35 (79.5) | ||
| Grade I | 2 (4.4) | 1 (2.3) | 1 (2.3) | 1 (2.3) | ||
| Grade II | 3 (6.7) | 5 (11.4) | 4 (9.1) | 7 (15.9) | ||
| Grade IIIa | 1 (2.2) | 0 (0) | 0 (0) | 0 (0) | ||
| Grade IIIb | 1 (2.2) | 1 (2.3) | 0 (0) | 0 (0) | ||
| Grade IV | 0 (0) | 0 (0) | 0 (0) | 0 (0) | ||
| Grade V | 0 (0) | 0 (0) | 0 (0) | 1 (2.3) |
Values are presented as number (%) or median (interquartile range).
KW, Kruskal-Wallis test; χ², Chi-squared test; F, Fisher’s exact test.
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.
a)Major bleeding = estimated blood loss ≥ 200 mL.