Table 1 Discriminant ability of Mayo hip score and thresholds for clinically meaningful improvements
From: Validation of the Mayo Hip Score: construct validity, reliability and responsiveness to change
Discriminant ability statistics | ||
|---|---|---|
2-year - Baseline value | 5-year - Baseline value | |
Effect Size (ES) | 2.78 [n = 2,278] | 2.66 [n = 2,089] |
Standardized Response Mean (SRM) | 2.61 [n = 2,050] | 2.42 [n = 1,919] |
Guyatt’s Responsiveness Index (GRI) | 1.67 [n = 27] | 1.88 [n = 37] |
Clinically Important Improvement Thresholds, Mean (standard deviation) | ||
Minimally clinically important improvement (MCII) | 22.4 (19.5) [n = 122] | 22.7 (19.4) [n = 131] |
Moderate improvement | 40.5 (14.1) [n = 1,928] | 39.4 (14.9) [n = 1,788] |