No drainage (n = 123) | Drainage (n = 28) | P | |
---|---|---|---|
Operation time (min) | 127(64–417) | 209 (107–357) | < 0.0001 |
Blood loss (ml) | 8 (1–195) | 21 (2–180) | 0.0061 |
Conversion to open surgery | 5(4%) | 4(14%) | 0.0392 |
Confirmation of CVS | |||
Yes | 117 | 20 | < 0.0001 |
No | 6 | 8 | |
Closure of the cystic duct | |||
Clipping | 117 | 16 | < 0.0001 |
Ligation | 6 | 9 | |
ASA | |||
1 | 54 | 8 | 0.118 |
2 | 48 | 12 | |
3 | 17 | 8 | |
Postoperative complication Clavien–Dindo criteria | |||
Grade I | 116 | 24 | 0.403 |
Grade II | 4 | 4 | |
Grade IIIa,b | 3 | 0 | |
Postoperative stay | 5(3–25) | 8(4–24) | 0.0063 |