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

Journal of Patient-Reported Outcomes

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

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

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