Table 2

Comparison of kidney-related parameters in patients with CKD, according to the age group

Age in 201040–65 years66–80 years>80 years
VariableN=189/1345 (14%)N=765/1842 (41%)N=560/854 (66%)
Per cent with grade 3a >561(54 to 68)64(60 to 67)69(65 to 73)
Per cent with CKD and severe decline25(19 to 32)16(13 to 18)11(9 to 14)
Per cent with CKD and two or more certain drops27(21 to 34)26(23 to 29)16(13 to 20)
Mean MDRD in 201056(54 to 58)53(51 to 54)50(48 to 51)
Mean CKD duration (years)5.8(5.3 to 6.5)7.8(7.4 to 8.1)9.2(8.9 to 9.7)
  • For dichotomous variables: % and exact (binomial) 95% CI.

  • For continuous variables: mean value and 95% CI.

  • CKD, chronic kidney disease; MDRD, modification of diet in renal disease.