Table 2.

2 × 2 Contingency Table of NLP-CAM

		Gold Standard
		Delirium	No delirium	Total
NLP	Delirium	57	0	57
	No delirium	5	88	93
	Total	62	88	150
		Sensitivity = 0.919	Specificity = 1.000	Accuracy = 0.967

Note: NLP-CAM = natural language processing–confusion assessment method.