Cystatin C at Admission in the Intensive Care Unit Predicts Mortality among Elderly Patients

Table 2

Demographic and clinical characteristics of all patients according to serum levels of cystatin C ≤ 0.96 and >0.96 mg/L (𝑛=234).

Characteristic	Cystatin C ≤ 0.96; (𝑛=145)	Cystatin C > 0.96; (𝑛=89)	P
Age (years)	72±11	78±10	<0.01
BMI	26±4	26±6	0.59
Gender (% males)	60	58.4	0.89
ICU hospitalization (days)	4±6	6±16	0.04
APACHE II score	20±5	18±5	0.05
Albumin (mg/dL)*	3.09±0.70	2.93±0.57	0.07
CRP (mg/dL)*	7.60±8.14	8.58±9.57	0.40
sCr (mg/dL)*	0.74±0.20	0.80±0.24	0.03

Student’s t-test.
BMI: body mass index, ICU: intensive care unit, CRP: C-reactive protein, sCr: serum creatinine.
∗At admission in ICU.