Table 1.
Patient characteristics.
| Variables | Number (N = 419) |
|---|---|
| Age (years), mean (SD) | 10.16 (4.83) |
| Type of surgery (%) | |
| Foot and ankle | 4 (0.95) |
| Hand | 46 (10.95) |
| Pediatric | 237 (56.56) |
| Trauma | 29 (6.92) |
| Tumor | 52 (12.41) |
| Spine | 28 (6.68) |
| Sport | 16 (3.82) |
| Hip and knee | 7 (1.67) |
| D-dimer (%) | |
| ≥500 ng/mL | 267 (63.72) |
| <500 ng/mL | 152 (36.28) |
| Wells score (%) | |
| ≥3 | 3 (0.72) |
| <3 | 416 (99.28) |
| Caprini score (%) | |
| ≥11 | 1 (0.24) |
| <11 | 418 (99.76) |
| Doppler ultrasound (%) | |
| DVT | 5 (1.19) |
| No DVT | 414 (98.81) |
SD, standard deviation; DVT, deep vein thrombosis.