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Table 4 Test-retest reliability: Health change item ratings for dialysis patients at baseline and retest

From: The Swedish RAND-36 Health Survey - reliability and responsiveness assessed in patient populations using Svensson’s method for paired ordinal data

  1. The diagonal (yellow) represents patients who answered the same at baseline and retest (n = 53; PA = 64%), those who improved are shown below the diagonal (green) (n = 14, 17%) and those worsened are above the diagonal (red) (n = 16, 19%)