Table 3

Spearman correlation coefficients of the EQ-5D summary score, sub-scores and visual analogue scale with the generic (SF 36) and the disease specific (PDQ-39) quality of life measures

EQ-5D
MobilitySelf careUsual activitiesPainAnxietySummary indexVisual analogue score
PDQ 39 SI:
 Mobility0.733-150 0.593-150 0.673-150 0.543-150 0.473-150 −0.743-150 −0.563-150
 ADL0.653-150 0.723-150 0.653-150 0.370.38−0.633-150 −0.413-150
 Emotional0.543-150 0.423-150 0.463-150 0.370.503-150 −0.543-150 −0.433-150
 Stigma0.340.300.330.350.483-150 −0.413-150 −0.473-150
 Social functioning0.260.280.280.310.26−0.35−0.30
 Cognitions0.493-150 0.513-150 0.583-150 0.350.453-150 −0.553-150 −0.473-150
 Communication0.533-150 0.583-150 0.573-150 0.340.28−0.563-150 −0.423-150
 Bodily0.400.350.453-150 0.473-150 0.40−0.553-150 −0.513-150
 Summary score0.693-150 0.633-150 0.683-150 0.543-150 0.553-150 −0.753-150 −0.603-150
SF-36:
 Physical functioning−0.583-150 −0.443-150 −0.523-150 −0.423-150 −0.360.573-150 0.473-150
 Physical role−0.423-150 −0.18−0.40−0.40−0.270.433-150 0.433-150
 Bodily pain−0.35−0.33−0.36−0.593-150 −0.320.563-150 0.543-150
 General health−0.37−0.40−0.483-150 −0.36−0.350.473-150 0.623-150
 Vitality−0.39−0.463-150 −0.483-150 −0.34−0.463-150 0.523-150 0.493-150
 Social functioning−0.563-150 −0.523-150 −0.523-150 −0.463-150 −0.463-150 0.593-150 0.533-150
 Emotional role−0.19−0.13−0.19−0.11−0.210.200.25
 Mental health−0.32−0.433-150 −0.453-150 −0.36−0.533-150 0.503-150 0.493-150
 Physical score−0.523-150 −0.413-150 −0.513-150 −0.533-150 −0.310.613-150 0.553-150
 Mental score−0.25−0.33−0.34−0.20−0.413-150 0.350.40
  • ADL=Activities of daily living.

  • 3-150 p<0.00038.