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Table 1 Age and sex disaggregated distribution of eGFR (CKD-EPI equation) values among 7768 apparently healthy CKD screening participants in Anuradhapura district

From: Normality data of eGFR and validity of commonly used screening tests for CKD in an area with endemic CKD of unknown etiology; need for age and sex based precise cutoff values

Age (years) Sex   Mean 95.0% CL for Mean Standard Deviation Prevalence of eGFR<< 60 mL/min/1.73 m2 n %
< 30 F 883 115.7 114.56 116.84 17.29 7 0.80
M 291 112.79 110.52 115.06 19.66 4 1.40
30–39 F 1349 102.32 101.42 103.22 16.9 20 1.50
M 447 99.43 97.76 101.11 18.04 15 3.40
40–49 F 1288 91.22 90.2 92.24 18.61 69 5.40
M 541 89.57 87.82 91.32 20.73 49 9.10
50–59 F 1236 81.13 80.03 82.22 19.67 167 13.50
M 505 76.18 74.13 78.23 23.39 103 20.40
60–69 F 597 73.57 72 75.14 19.48 133 22.30
M 348 65.73 63.25 68.2 23.48 120 34.50
> = 70 F 169 61.88 58.6 65.16 21.6 68 40.20
M 114 55.21 51.55 58.87 19.7 66 72.8
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