Table 3.
Harris hip scores in the two groups at final followup
| Harris hip score | Group O | Group Y | p Value* |
|---|---|---|---|
| Total cases (n = 164) | n = 41 | n = 123 | |
| Total | 88.7 ± 13.0 | 92.0 ± 11.7 | 0.084 |
| Pain | 42.2 ± 5.2 | 41.9 ± 4.9 | 0.773 |
| Gait | 26.6 ± 7.1 | 27.8 ± 6.5 | 0.246 |
| Range of motion | 4.8 ± 0.4 | 5.2 ± 2.3 | 0.314 |
| Daily activity | 11.7 ± 2.6 | 13.0 ± 2.4 | 0.0008 |
| Unilateral cases (n = 82) | n = 18 | n = 64 | |
| Total | 92.2 ± 10.4 | 91.5 ± 10.6 | 0.789 |
| Pain | 43.2 ± 3.3 | 41.9 ± 4.4 | 0.245 |
| Gait | 28.8 ± 5.2 | 27.4 ± 6.2 | 0.383 |
| Range of motion | 4.9 ± 0.2 | 5.2 ± 2.6 | 0.610 |
| Daily activity | 11.6 ± 3.0 | 13.0 ± 2.4 | 0.012 |
| Bilateral cases (n = 82) | n = 23 | n = 59 | |
| Total | 86.0 ± 14.4 | 92.6 ± 12.9 | 0.016 |
| Pain | 41.4 ± 6.2 | 42.0 ± 5.4 | 0.653 |
| Gait | 24.8 ± 7.9 | 28.3 ± 6.9 | 0.032 |
| Range of motion | 4.8 ± 0.5 | 5.2 ± 1.9 | 0.406 |
| Daily activity | 11.7 ± 2.3 | 12.9 ± 2.3 | 0.007 |
Values are expressed as mean ± standard deviation; *one-way analysis of variance adjusted for body mass index, followup duration, preoperative joint space width, and joint congruency; Group O = patient 50 years or older; Group Y = patients younger than 50 years.