Is the staple diet eaten in Medawachchiya, Sri Lanka, a predisposing factor in the development of chronic kidney disease of unknown etiology? - A comparison based on urinary β2-microglobulin measurements

Table 1 Variation of urinary β ₂ m levels among CKDu Patients and non-CKDu subjects of the urinary β ₂ m study

Parameter	CKDu patients	Non-CKDu subjects	P value
Parameter	(n = 30)	(n = 30)	P value
Male : Female	3:2	3:2	-
Age(years; Median, Mean ± SD)	47.0, 46.3 ± 5.9	47.0, 46.7 ± 9.4	0.948
Male	46.3 ± 5.6	49.0 ± 10.4	0.743
Female	46.3 ± 6.6	43.2 ± 6.6	0.800
Urinary β₂m(μg/mL, Median, Mean ± SD)	1.17, 1.24 ± 0.71	0.15, 0.16 ± 0.05	< 0.001
Male	1.22, 1.31 ± 0.76	0.14, 0.14 ± 0.04	< 0.005
Female	1.07, 1.14 ± 0.65	0.16, 0.17 ± 0.05	< 0.005

ISSN: 1471-2369