Table 7.
Impact of obesity
| Variable | Body mass index < 30 | Body mass index ≥ 30 | p Value |
|---|---|---|---|
| Number | 27 (64%) | 15 (36%) | |
| Followup (years)* | 6.1 ± 2.8 (2–12) | 7.0 ± 3.8 (2.5–13.5) | 0.89 |
| Body mass index (kg/m2) | 25.0 ± 3.8 (12.2–29.8) | 32.7 ± 2.2 (30.3–38.7) | < 0.0001 |
| Preoperative visual analog scale pain score* | 7.1 ± 1.5 | 5.8 ± 2.7 | 0.067 |
| Followup visual analog scale pain score* | 1.0 (0–3) | 1.7 (0–7) | 0.179 |
| Pain improvement* | 6.1 ± 1.9 (1–9) | 4.2 ± 3.1 (0–10) | 0.016 |
| Preoperative Harris hip score* | 46.2 ± 15.9 (7.4–78.9) | 56.3 ± 19.6 (15.3–88.7) | 0.072 |
| Followup Harris hip score* | 79.3 (58.4–99.8) | 81.3 (40.2–97.8) | 0.647 |
| Harris hip score improvement* | 33.1 ± 14.7 (3–59) | 25.0 ± 19.1 (0–72.6) | 0.124 |
| Infection | 1 (4%) | 0 | 1.000 |
| Reoperations | 2 (8%) | 3 (20%) | 0.329 |
* Values are expressed as mean or mean ± standard deviation, with range in parentheses.