Table 2.
Differences in scores over time and between the two groups
| LA (patients = 72) mean ± SD | PA (patients = 68) mean ± SD | p-value | |
|---|---|---|---|
| preop ADL | 5.2 ± 1.2 | 5.0 ± 1.3 | ns |
| ADL at follow-up | 5.2 ± 1.3 | 5.5 ± 1.1 | ns |
| p-value | ns | < 0.001 | |
| preop IADL | 6.0 ± 1.9 | 5.6 ± 2.1 | ns |
| IADL at follow-up | 6.8 ± 1.9 | 6.8 ± 2.0 | ns |
| p-value | < 0.001 | < 0.001 | |
| preop WOMAC | 70.7 ± 13.6 | 76.1 ± 14.9 | ns |
| WOMAC at follow-up | 20.9 ± 20.7 | 14.5 ± 17.5 | 0.018 |
| p-value | < 0.001 | < 0.001 | |
| preop VAS | 8.7 ± 1.5 | 9.2 ± 1.2 | ns |
| VAS at follow-up | 2.5 ± 2.5 | 1.3 ± 1.9 | 0.002 |
| p-value | < 0.001 | < 0.001 | |
| preop HHS | 33.9 ± 15.3 | 28.5 ± 14.8 | 0.036 |
| HHS at follow-up | 82.9 ± 20.3 | 86.0 ± 16.6 | ns |
| p-value | < 0.001 | < 0.001 |
LA means lateral approach, PA posterior approach, SD standard deviation, ADL Activities of Daily Living, IADL Instrumental Activities of Daily Living, WOMAC Western Ontario and McMaster University, VAS Visual Analogue Scale, HHS Harris Hip Score, ns not significant