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Table 4 Area Under the Curve (AUC) of the Receiver Operating Characteristic Curve (ROC) Analyses for the different versions of the GAS, and Comparison of independent ROC curves

From: Psychometric properties and diagnostic accuracy of the short form of the geriatric anxiety scale (GAS-10)

Criteria AUC SE (95%CI) Sensitivity/ Cut-off PPV/NPV
Specificity
Clinical vs NonClinical
 GAS-long form .729 .045 .672/.782 91.43/28.82 > 9a 16.4/95.7
88.57/51.53 > 13 21.8/96.7
 GAS-10 .702 .046 .643/.757 62.86/72.93 > 6 26.2/92.8
ROC curve comparison ∆AUC SE (95%CI) z p  
GAS-long form vs GAS-10 .026 .035 −.041/.095 .780 .435  
GAI-SF > 2
 GAS-long form .797 .028 .743/.844 91.82/38.96 > 9a 51.8/87.0
71.82/75.97 > 15 68.1/79.1
 GAS-10 .745 .030 .688/.797 53.64/83.77 > 6 70.2/71.7
ROC curve comparison ∆AUC SE (95%CI) z p  
GAS-long form vs GAS-10 .052 .0233 .006/.097 2.226 .026  
  1. a cut-off identified by Gould et al., 2014 [70]