Research Article
Is Nighttime Really Not the Right Time for a Laparoscopic Cholecystectomy?
Table 3
Patient clinicopathologic and operative characteristics; comparing emergency in daytime to those at night during business hours.
| Variable | Number () | | Out-of-hours (n=145) | During Business Hours (n=67) | p-value |
| Patient characteristics | | | |
| Gender (female) | 85 (58.6) | 33 (49.3) | 0.242 | Age (median [range]) | 60 | 59 | 0.758 | Previous abdominal surgery | | | | None | 111 (76.6) | 54 (80.6) | 0.320 | Laparoscopic | 15 (10.3) | 9 (13.4) | | Laparotomy | 19 (13.1) | 4 (6.0) | |
| Preoperative details | | | |
| Indication for surgery | Bile stone colics | 23 (15.9) | 5 (7.5) | 0.527 | Acute cholecystitis | 111 (76.6) | 53 (79.1) | | Other | 11 (7.6) | 9 (13.4) | |
| Perioperative variables | | | |
| Usage of antibiotics | | | | No | 36 (24.9) | 17 (25.4) | 0.818 | Yes–prior to operation | 101 (69.7) | 45 (67.2) | | Yes–after bile spill | 8 (5.5) | 5 (7.5) | | Surgeon | | | | Surgical resident | 33 (22.8) | 42 (62.7) | <0.001 | Surgical staff | 112 (77.2) | 25 (37.3) | | Critical View of Safety mentioned | 125 (86.2) | 61 (91.0) | 0.433 | Bile spill | 62 (42.8) | 29 (43.3) | 0.802 | Conversion to laparotomy | 14 (9.7) | 2 (3.0) | 0.097 | Operative Time (median [range]) | 60 | 70 | 0.074 | Estimated Blood Loss (median [range]) | 30 | 20 | 0.817 |
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