Table 5. Total number of patients with two or more positive SRA results (Risk 1) in Groups I and II in the three hours preceding POAF (Group I) or three hours of recording on the second postoperative day (Group II).

Exam		Group I		Group II		Total
SRA (≥ 2+)		26		14		40
SRA (< 2+)		5		67		72
Total		31		81		112
Sens	Esp		VP+		VP-		Accuracy
83.8%	82.7%		65%		93%		83%