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. 2011 Jan;22(1):124–136. doi: 10.1681/ASN.2009121311

Table 1.

Summary of ages and eGFRs of normal subjects and CKD patients

	Normal	CKD Overall	CKD Stages
	Normal	CKD Overall	Stage 1	Stage 2	Stage 3	Stage 4	Stage 5
Age (years)	47.7 ± 3.1	52.9 ± 2.2	41.5 ± 3.8	49.0 ± 3.7	59.6 ± 4.0^b	55.8 ± 5.4	60.1 ± 6.0^b
Gender (male/female)	6/7	18/22	1/7	5/4	4/4	6/2	2/5
eGFR (ml/min per 1.73 m²)	105.46 ± 4.81	58.80 ± 6.90^a	116.88 ± 3.26	75.44 ± 2.97^a	46.00 ± 3.35^a	22.38 ± 4.81^a	10.16 ± 1.26^a

eGFR is calculated with the Modification of Diet in Renal Disease equation.

^aP < 0.01 versus normal subjects by one-way ANOVA followed by Student-Newman-Keul's test.

^bP < 0.05 versus normal subjects by one-way ANOVA followed by Student-Newman-Keul's test.