Table 4. Comparison of characteristics between patients developing a VTE and patients not developing a VTE in the post-implementation group.
| Characteristic | No VTE (n=324) | VTE (n=10) | p value |
|---|---|---|---|
|
| |||
| Age (years): | |||
| Mean (SD*) | 57.2 (12.3) | 52.8 (13.0) | 0.292 |
| Median (Range) | 58 (20-85) | 55.5 (33-70) | |
|
| |||
| Body mass index (kg/m2): | 0.020 | ||
| Mean (SD) | 30.3 (7.8) | 24.9 (4.3) | |
| Median (Range) | 28.9 (16.0-63.4) | 24.5 (17.9-31.0) | |
|
| |||
| Cancer type (N (%)): | |||
| Ovary | 197 (60.8%) | 6 (60%) | 0.220 |
| Uterine | 88 (27.2%) | 1 (10%) | |
| Cervix | 28 (8.6%) | 2 (20%) | |
| Vagina/Vulva | 11 (3.4%) | 1 (10%) | |
|
| |||
| Previous VTE: | |||
| Yes | 7 (2.2%) | 0 (0%) | 0.999 |
| No | 317 (97.8%) | 10 (100%) | |
|
| |||
| Estimated blood loss (ml): | |||
| Mean (SD) | 459.4 (498.9) | 696.0 (857.8) | 0.859 |
| Median (Range) | 300.0 (10.0-4500.0) | 287.5 (10.0-2200.0) | |
|
| |||
| Anesthesia time (minutes): | |||
| Mean (SD) | 294 (138) | 336 (234) | 0.872 |
| Median (Range) | 270 (66-1092) | 318 (90-900) | 0.404 |
|
| |||
| Length of stay (days): | |||
| Mean (SD) | 7.1 (3.6) | 7.9 (3.4) | |
| Median (Range) | 6.0 (2.0-31.0) | 7.0 (5.0-14.0) | |
|
| |||
| LMWH start (postoperative day): | |||
| Mean (SD) | 1.3 (0.9) | 1.9 (1.4) | 0.035 |
| Median (Range) | 1.0 (0.0-12.0) | 1.0 (1.0-5.0) | |
*
SD: standard deviation