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 | |