Table 6. Performance of the ICU Discharge Readiness Score models in the validation cohorts.

Predicted Probability	Sensitivity (%)		Specificity (%)		PPVa (%)		NPVb (%)
Death/Readmission	Death	Readmission	Death	Readmission	Death	Readmission	Death	Readmission
0.1%	98.38	99.88	32.53	3.35	1.30	2.61	99.96	99.91
1%	82.26	96.42	87.23	19.30	5.50	3.01	99.82	99.52
2.5%	69.19	65.78	95.38	62.84	11.90	4.40	99.71	98.61
5%	58.30	29.64	98.00	90.31	20.83	7.36	99.62	98.02
10%	47.27	5.66	99.15	99.01	33.52	12.92	99.52	97.58
25%	33.62	0	99.73	99.99	53.32	0	99.40	97.47
50%	22.63	0	99.91	100	68.99	–	99.31	97.47

^aPPV  =  Positive Predictive Value.

^bNPV  =  Negative Predictive Value.