Table 3:

Diagnostic test characteristics of newly derived model to estimate the risk of PSD-HRQL at 3 months (n = 99).

Variable	Value	95% C.I.
Area under the curve (AUC)	0.87	0.80 to 0.95
10-fold cross validation AUC	0.74	--
True Positives, n	17	--
True Negatives, n	59	--
False Positives, n	21	--
False Negatives, n	2	--
Sensitivity	89%	65 to 98
Specificity	74%	63 to 83
Positive Predictive Value	45%	29 to 62
Negative Predictive Value	97%	88 to 99
(+) Likelihood Ratio	3.4	2.3 to 5.1
(−) Likelihood Ratio	0.1	0.04 to 5.3