Table 2. Duration of sedation and doses of sedative and analgesic agents according to development of delirium.

	All patients n = 252	No-delirium n = 67 (27%)	Delirium n = 185 (73%)	p-value
ICU parameters (median [interquartile range])
Duration of mechanical ventilation, days	7 (4, 18)	5 (2, 9)	8 (4, 22)	0.001
Duration of sedation, days	6 (3, 12)	4 (2, 7)	7 (4, 13)	0.001
Maximum dose of midazolam in the first five days, mg/hour	3.4 (0, 5.4)	2 (0, 5.8)	3.6 (0.8, 5.4)	0.084
Maximum dose of propofol in the first five days, mg/hour	1 (1, 3.2)	0.8 (1, 3.1)	1 (1, 3.2)	0.866
Maximum dose of fentanyl in the first five days, mg/hour	1.6 (0, 2.4)	1.2 (0, 2.4)	1.6 (0, 2.4)	0.516
Maximum dose of morphine in the first five days, mg/hour	1 (0.5, 1.5)	1 (1, 1.5)	0.5 (0. 6,1)	0.044
Maximum dose of remifentanil in the first five days, mg/hour	0.1 (0, 0.2)	0.07 (0, 0.2)	0.1 (0, 0.2)	0.081
Maximum dose of dobutamine in the first five days, μg/kg/min	2.2 (0, 5.3)	1.4 (0, 8)	2.8 (0, 5.8)	0.038
Maximum dose of norepinephrine in the first five days, μg/kg/min	0.1 (0, 0.21)	0.07 (0, 0.15)	0.1 (0, 0.22)	0.01