Research Article

Creatinine- and Cystatin C-Based Incidence of Chronic Kidney Disease and Acute Kidney Disease in AKI Survivors

Table 6

Patient characteristics according to CKD classification at three months.

VariableCKD status at 3 months (N = 199)
No CKD ()CKD creatinine and cystatin C () compared to no CKDCKD cystatin C only () compared to no CKD

Age51.5 (35–62)72.5 (66.5–81.5)<0.00168 (60–73)<0.001
Gender (female)31 (41.9%)29 (55.8%)0.14930 (36.2%)0.513
Hypertension18 (24.2%)34 (65.4%)<0.00146 (55.4%)<0.001
Cardiovascular disease14 (18.9%)20 (38.5%)0.02433 (39.8%)0.005
Diabetes8 (10.8%)18 (34.6%)0.00219 (22.9%)0.057
COPD6 (8.1%)10 (19.3%)0.10115 (18.1%)0.099
Heart failure6 (8.1%)9 (17.3%)0.16211 (13.4%)0.316
Invasive ventilation34 (46%)21 (40.4%)0.58734 (41%)0.627
CRRT10 (13.5%)14 (26.9%)0.06927 (32.5%)0.008
LOS5 (3–8)5.5 (3–12)0.7838 (3–15)0.189
Mortality at 2 years8.1%23.1%0.02213.2%0.441

One hundred ninety-nine patients because 2 of 201 patients in whom both biomarkers were measured at follow-up 2–7 months had CKD based on creatinine but not cystatin C; their data are not presented here.