Table 3 Comparisons of patient satisfaction and functional outcomes scores between the two groups
Parameter | Younger group (n = 96) | Elderly group (n = 156) | Mean difference | 95% CI of mean diff | F value/x2 | P value |
|---|---|---|---|---|---|---|
Satisfaction grade | 0.061 | 0.805 | ||||
Satisfied-very satisfied | 90(93.8%) | 145(92.9%) | ||||
Disappointed-dissatisfied | 6(6.2%) | 11(7.1%) | ||||
ROM | ||||||
Preoperative | 110.1 ± 3.4 | 109.2 ± 4.1 | 0.85 | −0.12 to 1.83 | 1.720 | 0.087 |
Postoperative | 122.2 ± 3.8 | 121.7 ± 3.1 | 0.48 | −0.43 to 1.39 | 1.043 | 0.299 |
OKS | ||||||
Preoperative | 24.3 ± 2.9 | 23.8 ± 3.7 | 0.44 | −0.38 to 1.27 | 1.056 | 0.292 |
Postoperative | 40.6 ± 3.3 | 39.9 ± 4.0 | 0.72 | −0.18 to 1.62 | 1.571 | 0.117 |
HSS | ||||||
Preoperative | 60.3 ± 3.7 | 59.7 ± 3.8 | 0.63 | −0.33 to 1.58 | 1.296 | 0.196 |
Postoperative | 86.5 ± 4.3 | 86.0 ± 3.5 | 0.48 | −0.55 to 1.51 | 0.923 | 0.357 |
WOMAC | ||||||
Preoperative | 45.5 ± 3.5 | 46.2 ± 4.3 | −0.61 | −1.64 to 0.42 | −1.173 | 0.242 |
Postoperative | 25.5 ± 4.8 | 26.4 ± 3.7 | −0.83 | −1.96 to 0.31 | −1.443 | 0.151 |