Table 3 Baseline patient characteristics in the complications group and non-complications group (N = 175)
Variables | Variable category (assignment) | Sample size (N %) | Complications group (N=58) | Non-complications group (N=116) | Kruskal-Wallis chi-squared | P-Value |
|---|---|---|---|---|---|---|
Demographic information | ||||||
Age | 18–45:1 | 50 (28.57%) | 14 (24.14%) | 36 (30.77%) | 0.83 | 0.3621 |
45–65:2 | 125 (71.42%) | 44 (75.86%) | 81 (69.23%) |  |  | |
Gender | Male (1) | 144 (82.29%) | 48 (82.76%) | 96 (82.05%) | 0.01 | 0.9084 |
Female (2) | 31 (19.61%) | 10 (17.24%) | 21(17.95%) | Â | Â | |
BMI (kg/m2) | Continuous variable (\(mean\pm SD\)) | 22.52\(\pm\)2.96 | 21.93\(\pm\)2.44 | 22.81\(\pm 3.16\) | 3.16 | 0.0750 |
Tumor diameter | Continuous variable (\(mean\pm SD\)) | 5.69\(\pm 3.40\) | 6.58\(\pm 3.49\) | 5.26\(\pm 3.28\) | 70.94 | 0.1577 |
Tumor number | 1 (1) | 145 (82.86%) | 46 (79.31%) | 99 (84.61%) | 5.19 | 0.3935 |
| Â | 2 (2) | 16 (9.14%) | 4 (6.90%) | 12 (10.23%) | Â | Â |
| Â | 3 (3) | 7 (4.00%) | 4 (6.90%) | 3 (2.56%) | Â | Â |
| Â | 4 (4) | 4 (2.29%) | 2 (3.45%) | 2 (1.70%) | Â | Â |
| Â | 5 (5) | 2 (1.14%) | 1 (1.72%) | 1 (0.85%) | Â | Â |
| Â | 6 (6) | 1 (0.57%) | 1 (1.72%) | 0 (0%) | Â | Â |
CA | Continuous variable (\(mean\pm SD\)) | 0.34\(\pm\)0.04 | \(0.34\pm\)0.046 | \(0.35\pm\)0.044 | 0.33 | 0.5661 |
Surgical information | ||||||
Incision type | Kocher’s incision (1) | 129 (73.71%) | 51 (87.93%) | 78 (66.67%) | 9.00 | 0.0027 |
| Â | Abdominal incision (2) | 46 (26.28%) | 7 (12.07%) | 39 (33.33%) | Â | Â |
Incision length | Continuous variable (\(\mathrm{mean}\pm \mathrm{SD}\)) | 23.31\(\pm 4.61\) | 24.78\(\pm 3.67\) | 22.58\(\pm 4.87\) | 37.70 | 0.0494 |
Duration | Continuous variable (\(mean\pm SD\)) | 201.04\(\pm 58\) | 234.1\(\pm 59.47\) | 184.64\(\pm 51.44\) | 64.60 | 0.0401 |
Incision range | One liver segment (1) | 37 (21.14%) | 5 (8.62%) | 32 (27.35%) | 16.29 | 0.0009 |
Two liver segments (2) | 55 (31.42%) | 16 (27.59%) | 39 (33.33%) | Â | Â | |
Three liver segments (3) | 44 (25.14%) | 15 (25.86%) | 29 (24.78%) | Â | Â | |
Four liver segments (4) | 39 (22.28%) | 22 (37.93%) | 17 (14.53%) | Â | Â | |
Bleeding | Continuous variable (\(mean\pm SD\)) | 380\(\pm 307.82\) | 516.72\(\pm 382.87\) | 312.22\(\pm 236.90\) | 34.27 | 0.0243 |
Transfusion | Yes (1) | 10(5.71%) | 6(3.43%) | 4(2.28%) | 3.43 | 0.0630 |
No (2) | 165(94.28%) | 52(29.71) | 113(64.67%) | Â | Â | |
Erythrocyte suspension | Continuous variable (\(mean\pm SD\)) | 0.12+0.54 | 0.28\(\pm 0.85\) | 0.042\(\pm\)0.26 | 5.05 | 0.0240 |
Outcome variables | ||||||
Complications | No (0) | 117 (66.48%) | Â | Â | Â | Â |
Yes (1) | 58 (33.52%) | Â | Â | Â | Â | |