. Author manuscript; available in PMC: 2019 Oct 3.

Published in final edited form as: Infect Control Hosp Epidemiol. 2018 May 17;39(7):826–833. doi: 10.1017/ice.2018.97

TABLE 1.

Cohort Characteristics

	Development Cohort^a	Validation Cohort^b
Characteristic	(N = 1,325)N = 1,325	(N = 1,234)
Age, median y, (IQR)	63 (51–72)	62 (49–72)
Female, no. (%)	606 (46)	550 (45)
Ventilated, no. (%)	479 (36)	431 (35)
Length of ventilation among ventilated admissions, median d (IQR)	1.9 (0.6–5.4)	2.2 (0.7–6.5)
Length of stay, median d (IQR)	7.7 (4.0–13.8)	7.5 (4.1–14.7)
VAE detected (adjudicated)	47	56

NOTE. IQR, interquartile range; VAE, ventilator-associated events.

January–March 2015.

January–March 2016.