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Table 2 Correlation Coefficients among domain scores of QLICD-PU and SF-36 (n = 153)

From: Development and validation of the peptic ulcer scale under the system of quality of life instruments for chronic diseases based on classical test theory and generalizability theory

QLICD-PU SF-36
PF RP BP GH VT SF RE MH PCS MCS
PHD 0.67 0.26 0.26 0.37 0.31 0.18 0.16 0.19 0.61 0.30
PSD 0.23 0.21 0.21 0.40 0.30 0.38 0.27 0.51 0.38 0.51
SOD 0.37 0.20 0.31 0.47 0.33 0.54 0.23 0.31 0.53 0.47
SPD 0.14 0.18 0.33 0.29 0.12 0.24 0.20 0.23 0.31 0.25
TOT 0.49 0.30 0.39 0.56 0.37 0.39 0.31 0.49 0.64 0.54
  1. Correlations between same/similar domains were presented in bold type
  2. PHD: physical domain, PSD: psychological domain, SOD: social domain, SPD: specific domain, TOT: total score
  3. PF: physical function, RP: role-physical, BP: bodily pain, GH: general health, VT: vitality, SF: social function, RE: role-emotional, MH: mental-health, PCS: Physical Component Summary, MCS: Mental Component Summary