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Table 7 Test-retest analysis using Svensson’s method for ordinal paired data for the dialysis patients

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

RAND-36 subscale PA RP SE 95% CI RC SE 95% CI RV SE 95% CI
Physical functioning 33% 0.02 0.05 −0.07 0.12 − 0.02 0.04 − 0.11 0.06 0.22 0.11 0.01 0.42
Role functioning/ physical 51% 0.09 0.07 −0.04 0.22 0.08 0.07 −0.05 0.21 0.13 0.05 0.04 0.23
Pain 41% 0.08 0.05 −0.01 0.17 −0.06 0.07 −0.20 0.07 0.13 0.04 0.05 0.22
General health 20% −0.05 0.05 −0.14 0.03 −0.07 0.07 −0.20 0.06 0.21 0.04 0.13 0.29
Energy/fatigue 10% 0.02 0.05 −0.07 0.11 −0.10 0.07 −0.23 0.04 0.16 0.04 0.07 0.24
Social functioning 30% −0.05 0.06 −0.16 0.06 −0.18 0.07 −0.31 − 0.05 0.22 0.07 0.07 0.36
Role functioning/ emotional 63% −0.01 0.04 −0.11 0.09 0.03 0.04 −0.05 0.12 0.09 0.10 0.00 0.29
Emotional well-being 23% 0.04 0.04 −0.03 0.12 −0.04 0.00 −0.15 0.05 0.13 0.04 0.04 0.21
  1. SE Standard Error, CI Confidential Interval, PA Percentage Agreement, RP Relative Position (−1/+ 1), RC Relative Concentration, (−1/+ 1) RV Relative Rank Variation (0–1). Significant values are given in bold