Table 6.

The predicative value of logistic model

Parameters	Data
	Training set	Testing set
Sensitivity (95% CI)	0.702 (0.621–0.782)	0.667 (0.550–0.783)
Specificity (95% CI)	0.726 (0.677–0.775)	0.664 (0.582–0.746)
AUC (95% CI)	0.743 (0.692–0.795)	0.699 (0.617–0.780)
Accuracy (95% CI)	0.719 (0.677–0.761)	0.665 (0.598–0.732)
Cut off	0.282	–

CI confidence interval, AUC area under the curve