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Table 2 Correlation coefficients among domains scores of QLICD-CHD and SF-36 (n = 146)

From: Development and validation of the coronary heart disease scale under the system of quality of life instruments for chronic diseases QLICD-CHD: combinations of classical test theory and Generalizability theory

QLICD-CHD SF-36
  PF RP BP GH VT SF RE MH
PHD 0.61 0.30 0.36 0.39 0.53 0.37 0.33 0.32
PSD 0.46 0.28 0.36 0.45 0.44 0.42 0.34 0.49
SOD 0.37 0.30 0.29 0.24 0.46 0.28 0.28 0.40
SPD 0.32 0.19 0.28 0.35 0.26 0.24 0.28 0.35
  1. PHD: physical domain, PSD: psychological domain, SOD: social domain, SPD: specific domain.
  2. PF: physical function, RP: role-physical, BP: bodily pain, GH: general health, VT: vitality, SF: social function, RE: role-emotional, MH: mental-health.