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

 GAS-long form

.729

.045

.672/.782

91.43/28.82

> 9^a

88.57/51.53

> 13

 GAS-10

.702

.046

.643/.757

62.86/72.93

> 6

 ROC curve comparison

∆AUC

SE

(95%CI)

z

p

GAS-long form vs GAS-10

.026

.035

−.041/.095

.780

.435

 GAS-long form

.797

.028

.743/.844

91.82/38.96

> 9^a

71.82/75.97

> 15

 GAS-10

.745

.030

.688/.797

53.64/83.77

> 6

 ROC curve comparison

∆AUC

SE

(95%CI)

z

p

GAS-long form vs GAS-10

.052

.0233

.006/.097

2.226

.026