Examination of Impact of After-Hours Admissions on Hospital Resource Use, Patient Outcomes, and Costs

Table 3

Multiple regression analysis between time of admission and mortality and total ICU costs.

Factors	In-hospital mortality		Total ICU costs
	OR (95% CI)	value	βcoefficient (95% CI)	value
Age	1.03 (1.03–1.03)		−71.99 (−120.93–−23.05)
Gender
Male	REF
Female	1.13 (1.03–1.24)		−337.62 (−1942.5–1267.25)
Elixhauser score	1.05 (1.04–1.05)		320.05 (186.81–453.28)
Time of admission
0800–1659	REF		REF
1700–0759	0.94 (0.85–1.04)		−1508.06 (−3234.73–218.60)
Most responsible diagnosis
Circulatory	REF
Digestive	1.29 (1.08–1.55)		2372.13 (−801.45–5545.71)
Infectious	1.58 (1.34–1.86)		10044.43 (7105.94–12982.92)
Injury/poisoning	0.96 (0.81–1.13)		977.39 (−1724.40–3679.19)
Neoplasm	1.11 (0.91–1.36)		2695.91 (−812.66–6204.49)
Other	0.94 (0.81–1.09)		−2275.01 (−4705.19–155.17)
Respiratory	1.47 (1.25–1.73)		12314.44 (9479.94–15148.94)
MODS	1.23 (1.20–1.25)		−262.81 (−611.48–85.85)
Dialysis
No	REF
Yes	0.89 (0.77–1.02)		28243.37 (25596.64–30890.10)
Invasive mechanical ventilation
No	REF
Yes	1.93 (1.72–2.17)		21641.66 (19701.09–23582.24)