Prevalence and variation of Chronic Kidney Disease in the Irish health system: initial findings from the National Kidney Disease Surveillance Programme

Table 5 Period trends in CKD prevalence in the health system ¹

	Entire cohort	2005	2006	2007	2008	2009	2010	2011
Count (n)	206,729	64,674	71,118	75,956	79,300	81,338	85,200	89,679
Overall Prevalence	11.9	13.8	12.4	11.6	10.9	11.8	11.4	11.8
By stage
3	10.73	12.4	11.2	10.5	9.8	10.7	10.3	10.7
4	0.95	1.18	1.09	0.96	0.87	0.87	0.83	0.88
5	0.15	0.26	0.18	0.16	0.15	0.13	0.11	0.12
By Gender
Women	12.7	14.9	13.3	12.3	11.6	12.4	12.0	12.3
Men	10.9	12.5	11.4	10.7	10.0	10.9	10.3	10.9
By Age group
18-39	0.4	0.6	0.5	0.5	0.4	0.5	0.3	0.4
40-59	2.2	2.9	2.5	2.2	2.1	2.2	2.0	2.0
60-80	18.9	22.8	20.4	18.8	17.1	18.6	17.3	18.3
> 80	55.6	58.6	56.5	54.4	52.5	56.3	55.5	56.0
By age group (females)
18-39	0.35	0.48	0.36	0.32	0.33	0.41	0.33	0.25
40-59	2.18	2.8	2.5	2.2	2.0	2.0	1.9	2.0
60-80	20.40	24.9	22.1	20.2	18.5	20.2	18.6	19.6
> 80	57.63	60.7	57.9	56.6	54.5	58.2	57.6	58.3
By age group (males)
18-39	0.6	0.6	0.6	0.8	0.6	0.6	0.4	0.6
40-59	2.3	2.9	2.5	2.2	2.2	2.4	2.1	2.1
60-80	17.4	20.6	18.7	17.4	15.7	17.0	16.1	17.0
> 80	52.4	55.3	54.1	50.8	49.4	53.3	52.2	52.4
By Geographic origin
Sligo	11.3	13.6	12.0	11.1	10.6	10.7	10.5	11.0
Donegal	12.0	13.5	12.4	11.7	10.8	12.2	11.5	12.0
Leitrim	12.8	15.4	13.5	12.1	12.0	12.8	12.3	12.4
All other counties	11.6	13.9	12.5	11.4	10.7	10.8	10.3	11.1
By Acute Kidney Injury ²
No AKI	10.7	12.6	11.2	10.4	9.8	10.7	10.3	10.7
With AKI	45.2	50.8	45.5	45.6	44.3	42.4	44.3	44.6

¹Estimated Glomerular filtration rate (ml/min per 1.73 m²) was determined by the CKD-EPI formula [21].
²The occurrence of acute kidney injury (AKI) was based on the KDIGO Definition [16].

ISSN: 1471-2369