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Table 3 Convergent validity: Pearson correlation coefficients between the three pain scale in all the subjects

From: Validation of three pain scales among adult postoperative patients in Ghana

   Scales Level of convergent validity
S1 S2
RA1 S1    
S2 0.707**   Very good
S3 0.750** 0.749** Very good
RA2 S1    
S2 0.786**   Very good
S3 0.757** 0.738** Very good
  1. **P-value <0.01