Table 1. Characteristics of the population.

Hospital (n)
	1	78
	2	35
	3	43
	4	9
	5	20
Sex (%)
	Female	79.5
	Male	20.5
Age, mean		31.5 (±5)
Time since graduation, years (%)
	≤2	4.4
	3-5	20.5
	6-10	43.2
	>10	31.9
Experience in ICU, years (%)
	≤2	18.4
	3-5	20.5
	6-10	42.2
	>10	18.9
Patients seen in each shift (%)
	4-6	41.1
	7-8	3.2
	9-10	31.4
	11-12	13.5
	13-15	5.9
	>16	4.9

ICU: intensive care unit.