Table 2 Patient demographics, co-morbidities, and surgical factors relative to DVT incidence after TKA
Variable | Presence of DVT | Odds ratio | p value | Adjusted odds ratio | Adjusted p value | |
|---|---|---|---|---|---|---|
Yes (n = 24) | No (n = 292) | |||||
Age (years) | 0.574 | 1.00 (0.95–1.06) | 0.946 | |||
Mean | 66.0 | 65.2 | ||||
Median | 67.5 | 65.0 | ||||
SD | 8.6 | 8.5 | ||||
Range | 49–81 | 41–88 | ||||
Gender | 2.92 (0.85–10.05) | 0.076 | 5.45 (1.37–3.41) | 0.034* | ||
Female | 21 (87.5%) | 206 (70.5%) | ||||
Male | 3 (12.5%) | 86 (29.5%) | ||||
BMI | 0.356 | |||||
Mean | 29.2 | 28.6 | ||||
Median | 29.3 | 28.0 | ||||
SD | 4.7 | 5.7 | ||||
Range | 18.8–36.5 | 16.6–51.1 | ||||
Obesity (BMI > 30) | 1.39 (0.59–3.25) | 0.447 | 0.87 (0.31–2.34) | 0.989 | ||
Yes | 10 (41.7%) | 91 (34.0%) | ||||
No | 14 (58.3%) | 177 (66.0%) | ||||
Hypertension | 0.83 (0.36–1.94) | 0.673 | ||||
Yes | 14 (58.3%) | 183 (62.7%) | ||||
No | 10 (41.7%) | 109 (37.3%) | ||||
Hyperlipidemia | 1.15 (0.50–2.69) | 0.738 | ||||
Yes | 14 (58.3%) | 160 (54.8%) | ||||
No | 10 (41.7%) | 132 (45.2%) | ||||
Diabetes mellitus | 1.00 (0.38–2.61) | 0.999 | ||||
Yes | 6 (25.0%) | 73 (25.0%) | ||||
No | 18 (75.0%) | 219 (75.0%) | ||||
Ischemic heart disease | 0.93 (0.26–3.25) | 0.905 | 1.61 (0.23–8.33) | 0.587 | ||
Yes | 3 (12.5%) | 39 (13.4%) | ||||
No | 21 (87.5%) | 253 (86.6%) | ||||
History of cancer | 4.49 (1.13–17.85) | 0.020* | 5.14 (0.92–24.5) | 0.044* | ||
Yes | 3 (12.5%) | 9 (3.1%) | ||||
No | 21 (87.5%) | 283 (96.9%) | ||||
Surgical duration (min) | 0.748 | |||||
Mean | 106.0 | 106.6 | ||||
Median | 111 | 104 | ||||
SD | 18.4 | 20.7 | ||||
Range | 72–140 | 60–237 | ||||
Length of stay (days) | < 0.001*** | 1.19 (1.08–1.31) | < 0.001*** | |||
Mean | 10.2 | 7.2 | ||||
Median | 8 | 6 | ||||
SD | 6.5 | 3.4 | ||||
Range | 4–36 | 4–28 | ||||
Chemoprophylaxis use | 0.32 (0.11–0.95) | 0.032* | 0.19 (0.04–0.61) | 0.011* | ||
Yes | 4 (16.7%) | 113 (38.7%) | ||||
No | 20 (83.3%) | 179 (61.3%) | ||||