Table 1.

Patients’ characteristics at admission

	Elective (N = 88)	Non-elective (N = 90)	P value
Age (years)	68 ± 10	59 ± 17	<0.001
Male/female	65 / 33	46 / 44	<0.001
Length (cm)	175 ± 8	174 ± 10	0.25
Weight (kg)	83 ± 13	82 ± 18	0.67
BMI	27 ± 4	27 ± 6	0.71
APACHE IV	46 ± 14	67 ± 29	<0.001
LOS ICU (days)	2 [2–2]	4 [2–7]	<0.001
LOS Hospital (days)	6 [4–9]	8 [3–13]	0.71
Survival ICU (%)	100	94	0.01
Survival hospital (%)	99	92	0.02
Laboratory measurements:
CRP mg/l	20 [7–71]	35 [5–171]	0.49
Creatinine μmol/l	87 [71–101]	74 [56–107]	0.08
AF U/l	75 [49–87]	73 [51–107]	0.47
CK U/l	249 [157–474]	90 [47–197]	<0.001

Values are mean ± standard deviation or median [interquartile range]

APACHE Acute Physiology and Chronic Health Evaluation, LOS length of stay, CRP C-reactive protein, AF alkaline phosphatase, CK creatine kinase