Validation of the Kidney Failure Risk Equation in the Colombian Population
Table 1
Baseline demographic and clinical characteristics.
Characteristics
Predialysis program N = 5477 n (%)
Demographics
Age, mean (SD), years
72.0 (13.4)
<65 years
1323 (24.2)
≥65 years
4154 (75.8)
Sex, n (%)
Male
2840 (51.8)
Female
2637 (48.2)
Ethnicity, n (%)
Others
5439 (99.3)
Afro-American
38 (0.7)
Comorbid conditions
Diabetes
1993 (36.4)
Cardiovascular disease,a
799 (14.6)
Laboratory data
GFR, mL/min/1.73 m2 baseline, mean (SD)
36.1 (13.6)
30–59
3523 (64.3)
15–29
1659 (30.3)
<15
295 (5.4)
Serum creatinine, mean (SD), mg/dL
1.9 (0.8)
Urine albumin-to-creatinine ratio, mg/g, median (IQR)
112 (30, 496)
<30
1325 (24.2)
30–299
2331 (42.6)
≥300
1821 (33.2)
Outcomes
Observation time, days
683 (132.5)
Kidney failure events
Hemodialysis
101
Peritoneal dialysis
211
Kidney transplantation
4
Mortality rate per 100 person-year
4.6 [4.2–5.0]
KRT rate per 100 person-year
3.0 [2.9–3.6]
GFR, glomerular filtration rate; IQR, interquartile range; SD, standard deviation. aCardio-vascular disease is defined as the presence of coronary artery disease or peripheral vascular disease. KRT: kidney replacement therapy.