Table 2.
Uni and multivariate analyses of clinical and treatment-related variables stratified by post-operative complications
| Clinical characteristics | Total N = 199 (%) | No complications N = 122 (61%) | Complications N = 77 (39%) | P univariate | OR | 95 CI | P multivariate |
|---|---|---|---|---|---|---|---|
| Gender | 0.400 | 0.478–1.679 | 0.731 | ||||
| Male | 119 (59.8) | 70 (57.4) | 49 (63.6) | ||||
| Female | 80 (40.2) | 52 (42.6) | 28 (36.4) | 0.896 | |||
| Age, years | 0.700 | 0.514–1.714 | 0.837 | ||||
| ≤60 | 100 (50.3) | 60 (49.2) | 40 (51.9) | ||||
| >60 | 99 (49.7) | 62 (50.8) | 37 (48.1) | 0.94 | |||
| Diagnosis | 0.300 | ||||||
| Colorectal liver metastases | 114 (57.3) | 75 (61.5) | 39 (50.6) | ||||
| Hepatocellular carcinoma | 38 (19.1) | 21 (17.2) | 17 (22.1) | ||||
| Gallbladder cancer/cholangiocarcinoma | 16 (8) | 7 (5.7) | 9 (11.7) | ||||
| Other cancer | 7 (3.5) | 5 (4.1) | 2 (2.6) | ||||
| Benign disease | 24 (12.1) | 14 (11.5) | 10 (13) | ||||
| Biliary instrumentation | <0.041 | ||||||
| Yes | 10 (5) | 3 (2.5) | 7 (9.1) | ||||
| No | 189 (95) | 119 (97.5) | 70 (90.9) | ||||
| Biliary drain | <0.031 | ||||||
| Yes | 6 (3) | 1 (0.8) | 5 (6.5) | ||||
| No | 193 (97) | 121 (99.2) | 72 (93.5) | ||||
| ASA score | 0.500 | 1.032 | 0.595–1.788 | 0.911 | |||
| 1 | 17 (8.5) | 13 (10.7) | 4 (5.2) | ||||
| 2 | 130 (65.3) | 77 (63.1) | 53 (68.8) | ||||
| 3 | 52 (26.1) | 32 (26.2) | 20 (26) | ||||
| Multiple tumours (177) | 1 | ||||||
| No | 99 (55.9) | 61 (56) | 38 (55.9) | ||||
| Yes | 78 (44.1) | 48 (44) | 30 (44.1) | ||||
| Type of resection | 0.006 | ||||||
| Right lobe | 60 (30.5) | 44 (36.1) | 16 (21.3) | ||||
| Left lobe | 81 (41.1) | 51 (41.8) | 30 (40) | ||||
| Bilateral | 56 (28.4) | 27 (22.1) | 29 (38.7) | ||||
| Resection >1 segment | 0.500 | ||||||
| No | 29 (14.8) | 20 (16.4) | 9 (12.2) | ||||
| Yes | 167 (85.2) | 102 (83.6) | 65 (87.8) | ||||
| Resection ≥3 segments | 0.008 | ||||||
| No | 106 (54.1) | 75 (61.5) | 31 (41.9) | ||||
| Yes | 90 (45.9) | 47 (38.5) | 43 (58.1) | 2 | 1.09–3.666 | 0.025 | |
| Length of surgery (median) | 0.019 | ||||||
| ≤194 | 99 (50.3) | 69 (57) | 30 (39.5) | ||||
| >194 | 98 (49.7) | 52 (43) | 46 (60.5) | ||||
| Blood loss | 1 | ||||||
| ≤500 | 120 (61.5) | 73 (61.3) | 47 (61.8) | ||||
| >500 | 75 (38.5) | 46 (38.7) | 29 (38.2) | ||||
| Pringle manoeuvre | 0.5 | ||||||
| No | 83 (43.9) | 54 (45.8) | 29 (40.8) | ||||
| Yes | 106 (56.1) | 64 (54.2) | 42 (59.2) | ||||
| Drain placement | 0.078 | 0.899–3.045 | 0.106 | ||||
| No | 112 (56.3) | 75 (61.5) | 37 (48.1) | ||||
| Yes | 87 (43.7) | 47 (38.5) | 40 (51.9) | 1.654 |