Table 1. Patients’ characteristics.
| Total patients (n = 224) | Patients with DVT (n = 13) | Patients without DVT (n = 211) | p value✝ | |
|---|---|---|---|---|
| Age (years) | 58.8 ± 10.6 | 69.1 ± 5.3 | 58.2 ± 10.5 | <0.001 |
| Sex (male/female) | 46/178 | 1/12 | 45/166 | 0.476* |
| Side (right/left) | 117/107 | 5/8 | 112/99 | 0.395* |
| Body height (cm) | 155.5 ± 9.2 | 155.6 ± 9.2 | 153.0 ± 9.0 | 0.397 |
| Body weight (kg) | 56.9 ± 12.3 | 52.7 ± 8.2 | 57.1 ± 12.5 | 0.138 |
| Body mass index (kg/m2) | 23.6 ± 4.2 | 22.7 ± 3.7 | 23.6 ± 4.2 | 0.432 |
| Preoperative D-dimer (μg/mL) | 1.49 ± 1.33 | 2.86 ± 2.93 | 1.39 ± 1.20 | 0.048 |
| White blood cell count(/μL) | 5947 ± 1446 | 6117 ± 1219 | 5858 ± 1580 | 0.674 |
| Hemoglobin (g/dL) | 13.0 ± 1.4 | 12.6 ± 1.4 | 13.0 ± 1.6 | 0.308 |
| Hematocrit (%) | 40.3 ± 3.9 | 39.7 ± 3.9 | 40.8 ± 4.0 | 0.511 |
| Platelet count (×104/μL) | 23.7 ± 6.8 | 22.3 ± 4.6 | 23.8 ± 6.9 | 0.479 |
| APTT (s) | 30.7 ± 4.0 | 29.9 ± 3.2 | 30.7 ± 4.0 | 0.518 |
| PT (%) | 106.3 ± 15.0 | 102.7 ± 8.5 | 106.4 ± 15.5 | 0.452 |
| PT–INR | 0.98 ± 0.07 | 0.99 ± 0.04 | 0.98 ± 0.08 | 0.758 |
Data are presented as mean ± standard deviation.
DVT, deep vein thrombosis; APTT, activated partial thromboplastin time; PT, prothrombin time; PT–INR, prothrombin time–international normalized ratio.
*, Fisher’s exact test.
✝, comparison between patients with DVT and without DVT.