Table 2.

Attending workflow characteristics

	All	Medical	Nonmedical*	P Value
Number of beds in hospital, median (IQR)	532 (350–850)	726 (500–950)	400 (255–748)	0.001
Number of adult beds in study intensive care unit, median (IQR)	22 (17–30)	24 (18–31)	20 (16–30)	0.222
Total number of adult intensive care unit beds in hospital, median (IQR)	80 (39–207)	102 (50–130)	66 (28–100)	0.014
Total number of physicians who work in your intensive care unit, median (IQR)	11 (6–18)	16 (10–20)	8 (5–14)	0.001
Total number of physicians who exclusively work in your intensive care unit, median (IQR)	2 (0–5)	1 (0–5)	2 (0–6)	0.384
Average daily census, median (IQR)	18 (14–23)	20 (18–24)	15 (12–22)	0.018
Number of physicians on clinical service at one time, median (IQR)	2 (1–2)	2 (2–3)	2 (1–2)	0.061
Total number of days per full-time employee, median (IQR)	169 (136–199)	160 (140–200)	170 (125–210)	0.719
Total number of weekend days, median (IQR)	24 (18–30)	20 (16–28)	24 (18–36)	0.115
Total number of nights in-house, median (IQR)	0 (0–33)	0 (0–24)	14 (0–42)	0.117

Definition of abbreviations: IQR = interquartile range.

^*Nonmedical intensive care units included all intensive care units that were not exclusively medical (i.e., surgical, mixed medical–surgical, cardiothoracic surgical, etc.).