Urinary albumin excretion in healthy adults: a cross sectional study of 24-hour versus timed overnight samples and impact of GFR and other personal characteristics

Table 4 Differences between men and women and between ever-smokers and never-smokers

	Women	Men		Ever-smokers	Never-smokers
	Mean	Mean	P^a	Mean	Mean	P^a
24 h AER (mg/24 h)	6.95	8.16	0.16	7.05	7.99	0.61
ON AER (mg/24 h)	5.59	6.19	<0.001	5.47	6.50	0.71
24 h UAC (mg/L)	3.93	4.80	0.06	3.91	4.90	0.33
ON UAC (mg/L)	6.51	6.10	0.26	5.69	7.42	0.34
24 h ACR (mg/g Cr)	6.37	5.13	0.001	5.81	5.84	0.09
ON ACR (mg/g Cr)	5.55	4.15	0.004	4.73	5.29	0.52
24 H ASG mg/L)	4.33	4.15	0.40	4.00	4.66	0.16
ON ASG (mg/L)	4.81	4.01	0.92	4.18	4.96	0.83
24 h UCC (g/L)	0.61	0.99	<0.001	1.20	0.87	0.03
ON UCC (g/L)	1.12	1.49	<0.001	1.02	1.42	0.04
24 h SG	1.014	1.018	<0.001	1.016	1.016	0.96
ON SG	1.019	1.023	0.008	1.020	1.022	0.12

Abbreviations:ON Overnight, AER Albumin excretion rate, UAC Urinary albumin concentration, ASG Albumin adjusted for specific gravity, ACR Albumin to creatinine ratio, Cr Creatinine, GFR Glomerular filtration rate, UCC Urinary creatinine concentration, SG Specific gravity.
^aWilcoxon rank sum test.

ISSN: 1471-2369