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Table 4 Efficiency of EQ-5D-5 L and SF-6D to detect differences of five groups of ODI

From: A head-to-head comparison of EQ-5D-5 L and SF-6D in Chinese patients with low back pain

 

N (%)

EQ-5D-5 L

SF-6D

Mean ± SD

Mean ± SD

minimal disability

95 (35%)

0.85 ± 0.13

0.7 ± 0.14

moderate disability

98 (36%)

0.67 ± 0.18

0.58 ± 0.09

severe disability

47 (17%)

0.4 ± 0.24

0.51 ± 0.1

unable to walk

24 (9%)

0.02 ± 0.25

0.44 ± 0.07

bedbound

8 (3%)

−0.23 ± 0.14

0.42 ± 0.07

ES

 

0.63

0.44

RE

 

1.42

1

ROC curve

AUC

 

0.892*

0.822*

95% CI

 

(0.853,0.931)

(0.771,873)

  1. *indicates that area under the ROC curve statistically significantly greater than 0.5 and that measure has discriminatory power (P < 0.001)
  2. EQ-5D-5 L 5-level EuroQol 5-dimension, SF-6D Short Form 6-dimension, ODI Oswestry Disability Index, SD Standard deviations, ES Effect size, RE Relative efficiency, ROC Receiver Operating Characteristic, AUC Area Under Curve, CI Confidence Interval
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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