Table 1.

Baseline characteristics of the study population.

Variable	Value
Sample size (patients)	1063
Age (mean ± SD)	72.4 ± 14.5
Sex (men %)	52%
Days of admission [median, IQR]	8 [5–14]
Death or ICU transfer (%), “worse prognosis” group	450 (42.3%)
Discharge or ordinary department transfer (%), “good prognosis” group	613 (57.7%)
Infective critical illness	718 (67.5%)
Non-infective critical illness	345 (32.5%)
SAPS-II (mean ± SD)	33.1 ± 12.1
Troponin I (mean ± SD), ng/mL	1.238 ± 1.027
Procalcitonin (median, IQR), ng/mL	0.34 [0.06–3.65]
Serum creatinine (mean ± SD), mg/dL	0.86 ± 0.64
Biological cultures (positive %)	35.3% (375)