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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]