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Table 2 Demographic distribution of absolute percent difference in eGFR, 100× (eGFRcys – eGFRcreat)/mean eGFR (n = 2815)

From: Prevalence and determinants of differences in cystatin C and creatinine-based estimated glomerular filtration rate in community-dwelling older adults: a cross-sectional study

Difference in eGFR <10% 10-30% >30%
  n (%) n (%) n (%)
Age
 60-69 520 (39) 653 (49) 165 (12)
 70-79 220 (40) 240 (45) 79 (15)
 80+ 249 (27) 407 (43) 282 (30)
Sex
 Male 437 (35) 589 (47) 228 (18)
 Female 552 (35) 711 (46) 298 (19)
Mean eGFR (mL/min/1.73 m2)
  < 45 106 (26) 165 (40) 140 (34)
 45-60 181 (30) 267 (44) 165 (27)
  > 60 702 (39) 868 (48) 221 (12)
Total 989 (35) 1300 (46) 526 (19)