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. 2017 Apr 20;4:2054358117705372. doi: 10.1177/2054358117705372

Table 1.

Characteristics of Patients With CKD in the Kidney Failure Risk Equation Validation Cohort by CKD Severity (Residents Aged 18+ on March 31, 2007).

Patients with CKD by severity (October 1, 2006 to March 31, 2007)
Mild to severe (Stage G3)
Severe or kidney failure (stage G4-G5)
1196 316
Demographics
 Age group, y
  18-65 40.90% 42.10%
  65+ 59.00% 57.90%
 Average age (SD), y 67 (13) 66 (14)
 Male 50.30% 49.70%
Laboratory parameters
 Urine albumin-to-creatinine ratio, mg/g
  <30 42.40% 21.20%
  30-300 35.10% 30.10%
  ≥300 22.50% 48.70%
 Serum creatinine, mg/dL 1.4 2.8
 Glomerular filtration rate, mL/min/1.73 m2 47.9 21.3
Seen by nephrologist in previous 5 y 31.20% 76.60%
Comorbid conditions
 Diabetes prevalenceb 76.60% 73.10%
 Ischemic heart disease prevalencec 37.90% 38.00%
 Congestive heart failure prevalenceb 17.40% 27.90%
 Atrial fibrillation prevalenceb 5.90% 5.70%
Outcomes
 End-stage kidney disease prevalence 4.80% 29.80%
 Mortality rate 26.30% 32.90%

Note. CKD = chronic kidney disease.

a

CKD severity based on heat map categories in chapter 2 of “Kidney Disease: Improving Global Outcomes (KDIGO) CKD Work Group: KDIGO 2012 clinical practice guideline for the evaluation and management of chronic kidney disease (2013)”.

b

2004/2005-2006/2007.

c

2002/2003-2006/2007.