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Table 19 (abstract P44) Responsiveness of NRS (Numerical Rating Scale) and ODI-I (Oswestry Disability Index, Italian version)

From: 5th National Congress of the Italian Society of Physiotherapy

  Total Improved Not improved
NRS    
   Minimum Detectable Change (MDC) 9.77 7.98 9.75
   Effect Size (ES) 1.15 1.29 0.65
   Effect Size (Guyatt) 1.25 1.41 0.65
   Standardised Response Mean (SRM) 1.21 1.38 0.65
   Optimal cut-off point (AUC; sensitivity; specificity) 17.5 (0.85;90.3;37.5)   
ODI-I    
   Minimum Detectable Change (MDC) 5.72 4.23 8.14
   Effect Size (ES) 1.0 0.95 0.15
   Effect Size (Guyatt) 0.87 0.86 0.15
   Standardised Response Mean (SRM) 1.0 1.25 0.17
   Optimal cut-off point (AUC; sensitivity; specificity) 7.5 (0.76;90.3;56.7)   
  1. AUC Area Under (ROC) Curve