Table 2.

 Prevalence* of chronic kidney disease in general population by age, glomerular filtration rate (GFR) (ml/min/1.73 m), diabetes, and hypertension

Age (years)	General population				Diabetes and hypertension				Diabetes, not hypertension				Hypertension, not diabetes				No diabetes or hypertension
	45-59	30-44	<30		45-59	30-44	<30		45-59	30-44	<30		45-59	30-44	<30		45-59	30-44	<30
20-29	0.07	0	0.02		0	0	0		0	0	0		0.1	0	0.1		0.1	0	0
30-39	0.26	0.02	0.01		0	0	0		1.6	0	0		0.5	0.1	0.1		0.2	0	0
40-49	0.71	0.09	0.02		1.1	0	0		0.0	0	1.3		0.9	0.2	0		0.6	0.1	0
50-59	1.81	0.22	0.03		1.2	1.2	0.4		1.3	1.3	0		2.1	0.3	0.1		1.6	0.2	0
60-69	5.23	0.90	0.28		7.3	2.9	0.5		7.7	0.0	0		5.5	1.0	0.3		4.1	0.3	0.2
70-79	11.71	2.68	0.37		13.9	3.9	1.4		13.8	2.3	0		12.4	2.7	0.3		7.8	1.9	0.3
80-89	19.82	6.15	1.73		19.3	10.0	2.7		30.2	14.0	2.3		20.3	5.3	1.3		15.7	4.7	1.5
≥90	25.00	13.49	3.17		25.0	8.3	0		0	0	0		26.5	12.1	0.8		25.9	7.4	11.1

*Given as %. Number needed to screen can be calculated as 1/(prevalence in %/100). For example, among people aged 60-69 from general population we need to screen 1/(5.23/100)=19.1 to find one person with GFR 45-59 ml/min/1.73 m².