Table 2.

Distribution of eGFR categories among 7768 apparently healthy CKD screening participants in Anuradhapura district

eGFR level (mL/min/1.73m2)	n	%	95% confidence limits for proportion
G1 ≥ 90	4314	55.5	54.6- 56.8
G2 60–89	2633	33.9	32.7- 34.8
G3a 45–59	468	6.0	5.5- 6.6
G3b 30–44	188	2.4	2.1- 2.8
G4 15–29	113	1.5	1.2- 1.7
G5 ≤ 15	52	0.7	0.5- 0.9