Chronic kidney disease in the Top End of the Northern Territory of Australia, 2002–2011: a retrospective cohort study using existing laboratory data

Table 3 Percentage^a with progressive CKD^b, whole time period

Initial eGFR group	Initial UACR <3.4	Initial UACR 3.4–9.9	Initial UACR 10–29	Initial UACR 30–299	Initial UACR >300	Missing UACR
105+	0.3	1.9	1.7	7.9	53.1	0.2
90–104	0.6	2.5	3.7	13.9	66.6	0.3
75–89	1.7	3.0	4.3	23.0	61.7	1.3
60–74	3.6	15.4	22.5	40.1	71.8	5.7
45–59	6.4	10.6	20.9	42.2	95.6	13.4
30–44	4.9	7.8	25.6	57.6	84.3	26.1
15–29	0.0	11.0	19.2	56.2	55.0	34.9
0–14	0.0	0.0	0.0	13.8	100.0	9.9

^a Percentage is of those with 2 or more creatinine measurements at least 2 years apart (N = 39,850)
^b Progressive CKD defined as average annual decline of >2.5 ml/min/1.73 m²/year, with final eGFR <45 ml/min/1.73 m², minimum follow-up 2 years [11]

ISSN: 1471-2369