Table 4 Risk factors for conversion to open cholecystectomy in multivariate
Risk factor | Level | Outcome | Multivariate odds ratios (95% CIs) | p value | |
|---|---|---|---|---|---|
No conversion to open cholecystectomy no. (%) | Conversion to open cholecystectomy no. (%) | ||||
Gallbladder (GB) appearance | Adhesions covering < 50% of GB | 264 (92.3%) | 22 (7.7%) |  |  |
Adhesions > 50% but GB visible | 111 (84.7%) | 20 (15.3%) | 1.41 (0.71, 2.82) | 0.3264 | |
Completely buried GB | 58 (66.7%) | 29 (33.3%) | 2.50 (1.17, 5.33) | 0.018* | |
Adhesions from previous surgery limiting access | No | 397 (88%) | 54 (12%) | 2.05 (0.99, 4.25) | 0.055 |
Yes | 36 (67.9%) | 17 (32.1%) | |||
Distended or shrivelled GB | No | 254 (90.4%) | 27 (9.6%) | 1.52 (0.86, 2.69) | 0.1508 |
Yes | 179 (80.3%) | 44 (19.7%) | |||
Inability to grasp GB | No | 311 (89.4%) | 37 (10.6%) | 1.30 (0.72, 2.33) | 0.3796 |
Yes | 122 (78.2%) | 34 (21.8%) | |||
Stone > 1 cm impacted in Hartmann’s pouch | No | 322 (89.7%) | 37 (10.3%) | 1.96 (1.09, 3.55) | 0.0257* |
Yes | 111 (76.6%) | 34 (23.4%) | |||
Bile or pus outside GB | No | 391 (89.3%) | 47 (10.7%) | 2.75 (1.37, 5.53) | 0.0046** |
Yes | 42 (63.6%) | 24 (36.4%) | |||
Fistula | No | 430 (86.7%) | 66 (13.3%) | 9.14 (1.85, 45.16) | 0.0066** |
Yes | 3 (37.5%) | 5 (62.5%) | |||