Factor | Positive | Negative | p value | |
---|---|---|---|---|
Deep vein thrombosis | 22 | 81 | Â | |
Gender | Male | 4 | 8 | 0.279* |
Female | 18 | 73 | ||
Age (years) | < 65 | 3 | 21 | 0.773** |
≥ 65 to < 75 | 16 | 35 | ||
≥ 75 | 3 | 25 | ||
Unilateral/bilateral | Unilateral | 15 | 74 | 0.005**a |
Bilateral | 7 | 7 | ||
Body mass index (kg/m2) | < 25 | 5 | 38 | 0.043**a |
≥ 25 to < 30 | 13 | 35 | ||
≥ 30 | 4 | 8 | ||
Type of anesthesia | Epidural | 3 | 37 | 0.006*a |
General | 19 | 44 | ||
Hypertension | + | 18 | 48 | 0.078*a |
– | 4 | 33 | ||
Diabetes | + | 3 | 20 | 0.389* |
– | 19 | 61 | ||
Hypercholesterolemia | + | 4 | 9 | 0.468* |
– | 18 | 72 | ||
Prothrombin time/international normalized ratio | < 0.95 | 8 | 29 | 0.554** |
≥ 0.95 to < 1.00 | 8 | 22 | ||
≥ 1.00 to < 1.05 | 4 | 19 | ||
≥ 1.05 | 2 | 11 |