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Table 2 Correlations as measures of concurrent and predictive validities for EQ-5D-5L and SF-6D utilities

From: Validity and responsiveness of EQ-5D-5L and SF-6D in patients with health complaints attributed to their amalgam fillings: a prospective cohort study of patients undergoing amalgam removal

 

EQ-5D-5L

EQ-5D-CW

SF-6D

Concurrent validity

Baseline

 GHCr-index

0.48

0.46

0.42

 EQ-VAS

0.74

0.68

0.70

Follow-up

 GHCr-index

0.52

0.56

0.50

 EQ-VAS

0.55

0.58

0.64

Predictive validitya

GHCr-index

0.25

0.22

0.31

EQ-VAS

0.31

0.28

0.46

  1. aCorrelations between utility instruments at baseline and criteria variables at follow-up, which are classified as weak (ρ < 0.25), fair (0.25 to 0.50), good (0.50 to 0.75), and excellent (> 0.75). EQ-5D-5L EuroQol 5-dimensional 5-level questionnaire; EQ-5D-CW EQ-5D cross-walk value set; SF-6D Short-form 6-dimension; GHCr (reversed) general health complaints; EQ-VAS, (EuroQol) visual analogue scale
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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