Table 1.
Baseline clinical and intraoperative characteristics of patients before and after PSM
| Variable | Before PSM | After PSM | ||||||
|---|---|---|---|---|---|---|---|---|
| non-PHT (n = 107) | PHT (n = 102) | P | d | non-PHT (n = 59) | PHT (n = 59) | P | d | |
| Age (yr) | 48.5 ± 11.4 | 49.4 ± 11.2 | 0.468 | −0.080 | 48.7 ± 12.1 | 49.1 ± 10.8 | 0.561 | −0.035 |
| >65:<65 | 11:96 | 12:90 | 0.732 | −0.083 | 7:46 | 5:54 | 0.542 | 0.274 |
| Gender (male: female) | 91:16 | 85:17 | 0.734 | 0.071 | 51/8 | 49/10 | 0.609 | 0.145 |
| HBV/No-HBV | 101/6 | 95/7 | 0.707 | 0.119 | 55/4 | 53/6 | 0.509 | 0.244 |
| ALB (g/L) | 42.6 ± 4.2 | 40.7 ± 4.9 | 0.006 | 0.417 | 42.1 ± 4.3 | 42.1 ± 3.9 | 0.802 | −0.001 |
| TBil (μmol/L) | 14.6 ± 5.4 | 19.5 ± 7.3 | <0.001 | −0.766 | 16.6 ± 5.6 | 17.3 ± 5.8 | 0.611 | −0.123 |
| ALT (U/L) | 45.2 ± 24.8 | 50.6 ± 36.5 | 0.254 | −0.174 | 50.7 ± 28.5 | 47.2 ± 23.2 | 0.891 | 0.135 |
| AST (U/L) | 48.5 ± 25.3 | 51.1 ± 38.2 | 0.803 | −0.081 | 48.4 ± 19.0 | 47.9 ± 22.3 | 0.675 | 0.024 |
| WBC (109/L) | 6.4 ± 1.6 | 5.2 ± 2.2 | <0.001 | 0.626 | 6.4 ± 1.8 | 5.1 ± 2.1 | <0.001 | 0.665 |
| RBC (1012/L) | 4.6 ± 0.7 | 4.5 ± 0.7 | 0.402 | 0.143 | 4.5 ± 0.7 | 4.6 ± 0.8 | 0.515 | −0.133 |
| Hemoglobin (g/L) | 138.2 ± 19.5 | 139.2 ± 19.1 | 0.776 | −0.052 | 138.3 ± 17.8 | 141.3 ± 19.2 | 0.385 | −0.162 |
| Thrombocyte (109 /L) | 189.4 ± 66.6 | 96.4 ± 42.4 | <0.001 | 1.657 | 171.4 ± 63.1 | 97.9 ± 44.6 | <0.001 | 1.3452 |
| Creatinine (μmol/L) | 86.2 ± 19.2 | 79.7 ± 18.9 | 0.009 | 0.341 | 83.6 ± 19.2 | 80.7 ± 20.4 | 0.376 | 0.146 |
| BUN (mmol/L) | 5.1 ± 1.2 | 7.60 ± 2.6 | 0.663 | −1.245 | 5.2 ± 1.2 | 5.1 ± 1.4 | 0.376 | 0.077 |
| PT (sec) | 13.1 ± 1.2 | 14.2 ± 1.2 | <0.001 | −0.917 | 13.7 ± 0.9 | 13.8 ± 0.9 | 0.751 | −0.111 |
| APTT (sec) | 35.4 ± 5.9 | 54.1 ± 38.6 | <0.001 | −0.685 | 37.1 ± 5.6 | 37.3 ± 6.2 | 0.946 | −0.034 |
| INR | 1.00 ± 0.3 | 1.1 ± 0.1 | <0.001 | −0.443 | 1.1 ± 0.1 | 1.1 ± 0.1 | 0.530 | 0.001 |
| Child-Pugh classification (A/B) | 105/2 | 99/3 | 0.957 | 0.256 | 57/2 | 59/0 | 0.476 | - |
| MELD score | 7.9 ± 1.4 | 8.8 ± 1.9 | <0.001 | −0.541 | 8.2 ± 1.5 | 8.3 ± 1.6 | 0.825 | −0.065 |
| MELD classification (<9:9–10:>10) | 84:15:8 | 57:20:25 | <0.001 | −0.547 | 42:9:8 | 41:8:10 | 0.776 | |
| Size of the tumor (cm) | 6.5 ± 3.3 | 5.3 ± 3.1 | 0.006 | 0.375 | 5.7 ± 3.2 | 5.5 ± 2.9 | 0.912 | 0.066 |
| Vascular invasion(pre: abs) | 7:100 | 15:87 | 0.055 | −0.497 | 3:56 | 9:50 | 0.068 | −0.668 |
| Adjacent tissues invasion (pre: abs) | 17:90 | 12:90 | 0.389 | 0.192 | 8:51 | 9:50 | 0.793 | −0.076 |
| Lymphatic metastasis (pre: abs) | 2:105 | 1:101 | 1.000 | 0.361 | 0 | 1:58 | 1.000 | - |
| Number of tumor (1:2:>2) | 77:15:15 | 71:11:20 | 0.575 | −0.104 | 42:7:10 | 41:8:10 | 0.870 | −0.022 |
| Extent of hepatectomy (1:2:>2) | 46:36:25 | 55:36:11 | 0.034 | 0.319 | 29:20:10 | 35:16:8 | 0.289 | 0.185 |
| Intraoperative heamorrhage > 400 ml | 25 | 28 | 0.497 | −0.119 | 8 | 16 | 0.067 | −0.476 |
| Intraoperative transfusion | 20 | 24 | 0.391 | −0.161 | 6 | 11 | 0.190 | −0.389 |
| Pringle maneuver | 85 | 76 | 0.397 | 0.154 | 50 | 46 | 0.344 | 0.249 |
Continuous variables are reported in mean and standard deviation.
d indicates standardized mean differences.