Table 1.
Patients’ characteristics
| Total patients | Patients with DVT | Patients without DVT | p value | |
|---|---|---|---|---|
| Patient (n) | 406 | 39 | 367 | - |
| Sex (male/female) | 118/288 | 9/30 | 109/258 | 0.386 |
| Age (years) | 65.4 ± 8.4 | 69.8 ± 6.9 | 65.0 ± 8.5 | < 0.001 |
| Body weight (kg) | 66.0 ± 10.8 | 67.5 ± 11.6 | 65.7 ± 10.7 | 0.316 |
| Body height (cm) | 161.4 ± 7.0 | 160.5 ± 6.3 | 161.5 ± 7.0 | 0.307 |
| BMI (kg/m2) | 25.3 ± 3.9 | 27.2 ± 3.2 | 25.0 ± 3.9 | 0.201 |
| Preoperative D-dimer (μg/ml) | 0.45(0.25,0.84) | 0.91(0.61,1.12) | 0.66(0.32,0.98) | 0.045 |
| APTT (s) | 28.1 ± 3.8 | 28.1 ± 4.6 | 28.1 ± 3.7 | 0.968 |
| PT (s) | 12.0 ± 0.9 | 12.0 ± 0.8 | 12.0 ± 0.9 | 0.865 |
| INR | 1.04 ± 0.08 | 1.04 ± 0.07 | 1.04 ± 0.08 | 0.927 |
| Platelet count (109/L) | 206.9 ± 61.7 | 194.8 ± 55.8 | 208.2 ± 62.2 | 0.193 |
| Hb (g/L) | 128.7 ± 18.4 | 126.1 ± 12.0 | 129.0 ± 18.9 | 0.091 |
DVT deep vein thrombosis, BMI body mass index, APTT activated partial thromboplastin time, PT prothrombin time, INR international normalized ratio, Hb hemoglobin