Table 1. Comparison of demographic and surgical factors between VTE and No-VTE groups*.
| Variables | VTE (n = 18) |
No-VTE (n = 52) |
P value |
|---|---|---|---|
| Demographic factors | |||
| Age (yr)† | 62 | 61 | 0.697 |
| No. and proportion ≥ 65 yr (%) | 4 (22) | 11 (21) | 0.924 |
| Gender (female, %) | 43 (83) | 17 (94) | 0.430 |
| Body mass index (kg/m2)† | 25.6 | 26.3 | 0.505 |
| No. and proportion ≥ 30 kg/m2 (%) | 2 (11) | 8 (15) | 0.655 |
| Medical comorbidity (present, %) | 14 (78) | 32 (62) | 0.211 |
| Indication for UKA (osteoarthritis, %) | 16 (89) | 47 (90) | 0.797 |
| Surgical factors | |||
| Type of surgery (Same-day bilateral UKA, %) | 2 (11) | 5 (10) | 0.855 |
| Operation time (min)† | 70 | 69 | 0.942 |
*Data are presented as numbers of patients (percentages). †Data are presented as mean values. VTE, venous thromboembolism; UKA, unicompartmental knee arthroplasty.