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Table 2 The discriminating power of the BASFI by age stratum according to the ROC curve

From: Normative values for the bath ankylosing spondylitis functional index in the general population compared with ankylosing spondylitis patients in Morocco

 

AUC (CI:95%)

Cutoff point

Sensitivity (%)

Specificity (%)

BASFI; 18-29 years

0.96 (0.93 - 0.99)

0.9

93

94

30-50 years

0.92 (0.89 - 0.96)

1.5

84

88

> 50 years

0.96 (0.93 - 0.99)

2.5

84

97

  1. AUC: area under the curve ROC, BASFI: Bath Ankylosing Spondylitis Functional Index; CI: confidence interval, ROC: Receiver Operating Characteristic
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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