Table 3.

Comparison of single versus combination sedation.

Variable	Single-agent sedation with either dexmedetomidine or propofol (n=258)	Combination sedation with propofol and dexmedetomidine (n = 94)	P value
Mean +/- SD
Duration of mechanical ventilation (hours)	10.27 +/- 10.79	18.12 +/- 21.48	.000
Hospital length of stay (days)	11.6 +/- 6.34	13.8 +/- 9.61	.013
ICU length of stay (days)	3.4 +/- 3.35	5.2 +/- 6.94	.001
No. patients (%)
Hospital mortality (expired)	0 (0)	2 (2.1)	.071
Incidence delirium (CAM-ICU+)	13 (5)	14 (14.9)	.002