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Patient characteristics and other observations
| S. No. | Observation | Variable |
| 1 | Age (yr) | 47.2 (13 to 78) |
| 2 | Female/Male | 976/291 |
| 3 | Previous abdominal surgeries | 519 |
| 4 | Preoperative ERCP | 49 |
| 5 | Mean operation time | 39 min (11 min to 190 min) |
| 6 | Conversion to open Cholecystectomy | 23 |
| 7 | Drain (yes/no) | 184/1083 |
| 8 | Mean duration of analgesic requirement | 3 d (1 d to 5 d) |
| 9 | Mean hospital stay | 26 h (18 to 72 h) |
