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Table 3 Pearson correlation coefficients of the SF-36 scores with the measures of multimorbidity

From: Comparative assessment of three different indices of multimorbidity for studies on health-related quality of life

HRQOL (SF-36)

Correlation coefficients (r)

Physical Health

CIRS‡

FCI

Charlson

   Physical Functioning

-0.55**

-0.47**

-0.31**

   Role physical

-0.41**

-0.32**

-0.14*

   Bodily Pain

-0.38**

-0.33**

-0.16*

   General Health

-0.40**

-0.34**

-0.21**

Mental Health

   

   Vitality

-0.30**

-0.23**

-0.08

   Social Functioning

-0.29**

-0.21**

-0.04

   Role Emotional

-0.18**

-0.10

+0.03

   Mental Health

-0.18**

-0.14**

+0.07

Physical Component Summary

-0.54**

-0.47**

-0.31**

Mental Component Summary

-0.06

-0.001

+0.16*

  1. SF-36 = Self-administered 36-item short form of the Medical Outcomes Study questionnaire.
  2. ‡ CIRS = Cumulative Illness Rating Scale; FCI = Functional Comorbidity Index; Charlson = Charlson index. * p < 0.05; ** p < 0.01