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Table 2 Prevalence of CKD among different age groups in 10 063 participants of the Tehran Lipid and Glucose Study (TLGS) aged 20 years and over.

From: High prevalence of chronic kidney disease in Iran: a large population-based study

Age groups n CKD% 95% CI
Men    
20–39 1897 1.8 1.2–2.4
40–59 1413 12.0 11.1–12.9
60–69 651 33.5 29.9–37.1
≥ 70 262 50.0 44.0–56.0
Total 4223 13.1 12.1–14.1
Women    
20–39 2885 4.6 3.8–5.4
40–59 2097 31.5 29.5–33.5
60–69 674 60.8 57.1–64.5
≥ 70 184 76.6 70.5–82.7
Total 5840 23.0 21.9–24.1
All    
20–39 4782 3.5 3.0–4.0
40–59 3510 23.6 22.2–25.0
60–69 1325 47.4 44.7–56.5
≥ 70 446 61.0 56.5–65.5
Total 10063 18.9 18.1–19.7
  1. CI, confidence interval