Table 1.
Demographic data of patients undergoing bilateral tibial lengthening
| Variable | LIPUS group | Control group | P-value |
|---|---|---|---|
| Number of patients | 15 | 15 | |
| Number of tibial segments | 30 | 30 | |
| Sex (M:F) (number of tibia) | 24:6 | 25:5 | 1.000† |
| Age at operation (years)* | 22.1 (17.5 to 34.0) | 20.6 (17.9 to 25.4) | 0.155‡ |
| Preoperative height (cm)* | 165.4 (153 to 174) | 163.2 (147 to 173) | 0.073‡ |
| BMI (kg/m2)* | 21.7 (17.2 to 26.2) | 21.8 (17.4 to 27.8) | 0.941‡ |
| Smoking history (smoker: nonsmoker) (number of tibia) | 2:28 | 4:26 | 0.671† |
| Follow-up (years)* | 5.3 (1.7 to 8.2) | 5.8 (3.9 to 7.8) | 0.790‡ |
LIPUS, Low-intensity pulsed ultrasound
*Values are expressed as mean, with range in parentheses
† Fisher’s exact test, ‡ Mann-Whitney test