Table 2.

Cut-off scores with corresponding sensitivity, specificity, positive and negative predictive power and overall efficiency

TSQ-score	Sensitivity	Specificity	Positive predictive power	Negative predictive power	Overall efficiency
5	.94	.44	.54	.91	.64
6	.94	.56	.59	.93	.71
7	.87	.69	.66	.89	.76
8	.81	.76	.69	.85	.78