Continuous perioperative variables in patients with and without postoperative VTE
Operative variable | Total | No VTE | VTE | P value* |
| n=361 384 | n=361 006 (99.90%) | n=378 (0.10%) | ||
| Mean±SD | Mean±SD | Mean±SD | ||
| Operative time, min | 95.57±93.27 | 95.50±93.20 | 163.52±129.07 | <0.001 |
| Length of stay, days | 4.61±13.53 | 4.58±13.48 | 30.92±29.04 | <0.001 |
*Two-tailed t-test comparing patients with and without VTE, assuming unequal variances following the result of Levene's test. Bolding indicates significance at p<0.025 (Bonferroni correction for multiple comparisons).
SD, standard deviation; VTE, venous thromboembolism.