Table 1.
Demographic data of the patients
| Parameter | Group I | Group II | p value |
|---|---|---|---|
| Number of patients (hips) | 42 (43) | 105 (122) | |
| Age at surgery* (years) | 29 ± 11 (12–55) [26–31] | 28 ± 9 (13–44) [27–31] | – |
| Sex (% of all male hips) | 31 | 22 | 0.721 |
| Side (% of all right hips) | 60 | 48 | 0.124 |
| Weight* (kg) | 64 ± 14 (47–113) [59–70] | 63 ± 14 (31–108) [60–66] | – |
| Height* (cm) | 169 ± 9 (153–187) [165–172] | 166 ± 10 (144–193) [164–168] | – |
| BMI* (kg/m2) | 23 ± 4 (19–33) [21–24] | 23 ± 4 (15–33) [22–23] | – |
| Comorbidity (%) | 5 | 7 | 0.491 |
| Previous surgery (%) | 14 | 25 | 0.106 |
| Operation time* (hours) | 2.9 ± 0.5 (2–5) [2.8–3.1] | 3.2 ± 0.8 (2–5) [3.1–3.3] | – |
| Blood loss* (L) | 1.9 ± 0.9 (0.4–4.6) [1.5–2.1] | 1.8 ± 0.8 (0.7–4.4) [1.7–2.1] | – |
| Concomitant intertrochanteric osteotomy (%) | 10 | 23 | 0.166 |
* Values of continuous parameters are expressed as mean ± SD with range in parentheses and confidence intervals in brackets.