Table 1.

Patient characteristics.

Characteristics	All Patients (N = 101)
Demographics
Female sex, n (%)	37 (36.6%)
Age, years	$74 \left(30-92\right)$
Body weight, kg	$83 \left(45-150\right)$
Body mass index, kg/m2	27.7 (17–57)
ICU types
MICU, n (%)	81 (80%)
SICU, n (%)	17 (16.8%)
Trauma, n (%)	3 (2.9%)
Admission diagnosis (%)
Community-acquired pneumonia (CAP)	10%
Cardiac disease	9%
Acute respiratory failure	8%
Sepsis	7%
Aspiration pneumonia	6%
Pulmonary edema	4%
Other diagnosis	56%
Results
Length of stay in ICU, days	14.5 (1–160)
Cystatin C (mg/L) at ICU admission	1.94 (0.67–8.06)
Creatinine (mg/dL) at ICU admission	1.98 (0.31–12.64)

ICU: intensive care unit; MICU: medical intensive care unit; SICU: surgical intensive care unit.