Table 3. Characteristics of nonrespondersa .
| Variables | N (%) | 95% CI |
|---|---|---|
| Age (y), median, range | 33 (22–59) | |
| Gender | ||
| Female | 17 (45.9) | 29.7–62.1 |
| Male | 20 (54.1) | 37.9–70.3 |
| BMI (kg/m2), median, range | 24 (19–32) | |
| Fracture | ||
| Foot | 21 (56.8) | 40.5–73.0 |
| Ankle | 15 (40.5) | 24.3–56.8 |
| Ankle + foot | 1 (2.7) | 0.0–8.1 |
| Ipsilateral | 34 (91.1) | 81.1–100.0 |
| Bilateral | 3 (8.1) | 0.0–18.9 |
| Immobilization | ||
| Full cast | 0 | 0 |
| Backslab | 9 (24.3) | 10.8–37.8 |
| CAMboot | 25 (67.6) | 51.4–81.1 |
| Pressure bandage | 1 (2.7) | 0.0–8.1 |
| None | 2 (5.4) | 0.0–13.5 |
| Weight-bearing status | ||
| NWB | 20 (54.1) | 37.8–70.3 |
| PWB | 5 (13.5) | 2.7–24.3 |
| WBAT | 12 (32.4) | 18.9–48.6 |
| DVT symptoms | ||
| None | 33 (89.2) | 78.4–97.3 |
| Calf pain | 2 (5.4) | 0.0–13.5 |
| Edema | 1 (2.7) | 0.0–8.1 |
| Combination | 1 (2.7) | 0.0–8.1 |
| Time to fracture clinic (d), median, range | 17 (7–70) | |
| Smoking status | ||
| Nonsmoker | 17 (45.9) | 29.7–62.2 |
| Exsmoker | 12 (32.4) | 18.9–48.6 |
| Current | 8 (21.6) | 8.1–35.1 |
| History of current OCP useb | 4/17 (23.5) | 5.9–43.8 |
| History of current HRT useb | 1/17 (5.9) | 0.0–20.0 |
| Family history of VTE | 1 (2.7) | 0.0–8.1 |
Abbreviations: BMI, body mass index; CAMboot, controlled ankle movement boot; CI, confidence interval; DVT, deep vein thrombosis; HRT, hormone replacement therapy; NWB, nonweight bearing; OCP, oral contraceptive pill; PWB, partial weight bearing; VTE, venous thromboembolism; WBAT, weight bearing as tolerated.
a
n = 37.
b
This data are for female patients (n = 17).
Note: No patients had history of active cancer or clotting/bleeding disorders.