Table 1.
Optimal cut-off value and area under the curve (AUC) of variables in ROC analysis
| Variables | Cut-off value | AUC | 95%CI | P value |
|---|---|---|---|---|
| Age (year) | 51.5 | 0.437 | 0.335–0.539 | 0.223 |
| Disease duration (year) | 8.5 | 0.598 | 0.508–0.690 | 0.057 |
| Operation duration (min) | 169 | 0.642 | 0.550–0.734 | 0.006‡ |
|
Intraoperative blood loss (ml) BMI (kg/m2) |
102 26.7 |
0.636 0.670 |
0.522–0.750 0.583–0.756 |
0.008‡ 0.001‡ |
|
Preoperative- PLT (109/L) |
134 | 0.420 | 0.329–0.510 | 0.120 |
| D dimer (mg/L) | 0.29 | 0.655 | 0.566–0.745 | 0.003‡ |
| Prothrombin time (s) | 10.7 | 0.622 | 0.524–0.720 | 0.018‡ |
| INR | 0.98 | 0.614 | 0.516–0.711 | 0.027‡ |
‡, P < 0.05; BMI, body mass index; PLT, platelet count; INR, international normalized ratio