Table 3 ROC curve for the test set and the validation set.

From: Venous blood parameters in determination of respiratory impairment in amyotrophic lateral sclerosis

 

The test set

The validation set

Area under the ROC curve (AUC)

0.735

0.721

Standard error

0.013

0.053

95% Confidence interval

0.710–0.760

0.616–0.825

Z statistic

18.529

4.127

Significance level P (area = 0.5)

1.202E−76

3.679E−05

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