TABLE 2.

Sensitivity, specificity, positive, and negative predictive value of the DEAR for pre-operative and post-operative delirium, using DEAR cut-off scores of 2 and 3

	Sensitivity (%)		Specificity (%)		PPVa		NPVb
DEAR Cut-Off	2	3	2	3	2	3	2	3
Pre-operative Delirium	90.2	62.6	51	81.7	71.4	82.3	79.2	61.6
Post-operative Delirium	93.2	67.8	41.8	73.3	53.4	64.5	89.6	76.1

^aPositive predictive value (%).

^bNegative predictive value (%).