Table 3 Comparisons of PROM scores taken at a mean of 4 years postoperatively. The Kruskal-Wallis test was used to test for significant differences between groups *Post hoc testing revealed significant differences between normal and osteoporotic bone group's AKSS-F scores (P=0.04)
Parameter | Normal bone | Osteopenic bone | Osteoporotic bone | Differences between groups for parameter |
|---|---|---|---|---|
Mean and median OKS | 37 (SD 12.1), 42.5 (IQR 14) | 38.9 (SD 10), 43 (IQR 9) | 38.5 (SD 11.5), 42.0 (IQR 17) | P = 0.83 |
Mean and median OKS functional subscale score | 14.6 (SD 5), 17 (IQR 7.5) | 15.5 (SD 4.3), 17 (IQR 6) | 14.8 (SD 5.4), 16.5 (IQR 9) | P = 0.79 |
Mean and median OKS pain subscale score | 22.4 (SD 7.5), 26.5 (IQR 8) | 23.4 (SD 6.4), 26 (IQR 7) | 23.4 (SD 6.3), 26 (IQR 7) | P = 0.93 |
Mean and median Tegner | 2.9 (SD 1.8), 3 (IQR 2) | 2.4 (SD 1.2), 2.5 (IQR 2) | 1.7 (SD 1.3), 2 (IQR 1) | P = 0.17 |
Mean and median AKSS-O | 89.6 (SD 13.2), 95 (IQR 20) | 85.9 (SD 19), 93 (IQR 7) | 90 (SD 7.1), 93 (IQR 6) | P = 0.67 |
Mean and median AKSS-F | 78.4 (SD 29), 90 (IQR 37.5) | 77.8 (SD 20.4), 80 (IQR 35) | 60.5 (SD 25.3), 65 (IQR 35) | P = 0.07* |