Table 2.
Assessment of change in health index for each implant subdivided by age and Charnley Classes A through C*
| Charnley class | Preoperative | Postoperative | Δ (95% CI) | p value |
|---|---|---|---|---|
| THA < 65 years | 0.46 ± 0.30 | 0.75 ± 0.28 | 0.29 (0.25–0.33) | < 0.001 |
| A | 0.44 ± 0.30 | 0.75 ± 0.29 | 0.32 (0.26–0.37) | < 0.001 |
| B | 0.51 ± 0.28 | 0.75 ± 0.29 | 0.24 (0.18–0.31) | < 0.001 |
| C | 0.28 ± 0.26 | 0.53 ± 0.35 | 0.25 (0.03–0.47) | 0.027 |
| THA ≥ 65 years | 0.49 ± 0.30 | 0.75 ± 0.24 | 0.26 (0.21–0.31) | < 0.001 |
| A | 0.49 ± 0.28 | 0.74 ± 0.25 | 0.25 (0.17–0.32) | < 0.001 |
| B | 0.49 ± 0.30 | 0.77 ± 0.21 | 0.27 (0.21–0.34 | < 0.001 |
| C | 0.45 ± 0.34 | 0.67 ± 0.27 | 0.22 (0.01–0.43) | 0.039 |
* Average pre- and postoperative EQ5D scores of each patient group with p values to determine statistically significant change. Data are represented as a mean ± SD. Changes were determined using mixed model repeated-measures analysis of variance and represented with 95% confidence intervals (CIs).