Table 1.

Comparison of Characteristics of ICU Stay During the 2 Study Periods

Characteristic	Period 1	Period 2	P Value
No. of patients admitted to ICU	1,252	1,151
Sex, male, no. (%)	766 (61.2%)	724 (62.9%)
Age, median y (IQR)	65 (49-75)	65 (54-74)
Overall no. of ICU admissions	1,345	1,367
ICU stay, d (IQR)	2 (1-5)	3 (1–8)	<.005
Overall patient days	7,817	8,700
Overall days of MV	711	1,976
Days of MV, median (IQR)	1 (1–4)	12 (7–21.5)	<.001

Note. ICU, intensive care unit; IQR, interquartile range; MV, mechanical ventilation.