Table 1. Clinical and laboratory data of controls and patients with diabetes mellitus.

	Control	Diabetes mellitus
		Normo-albuminuria	Microalbuminuria	Macroalbuminuria	Hemodialysis
N	24	100	100	60	116
Age (yr)*	59 (52–66)	59 (48–70)	62 (51–73)	65 (53–77)	63 (51–75)
pNGAL (ng/mL)†	61.9 ± 5.3	66.8 ± 20.2	86.9 ± 49.6	148.4 ± 116.0	1,536.8 ± 554.9
Cr (mg/dL)†	0.8 ± 0.2	0.9 ± 0.2	1.1 ± 0.5	1.9 ± 1.2	10.3 ± 2.4
GFR (mL/min/1.73 m2)†	118.0 ± 25.1	117.7 ± 26.2	94.5 ± 12.3	51.6 ± 19.6	4.8 ± 2.0

^*Age is expressed as median (range); ^†Data are presented as mean±SD.

Abbreviations: pNGAL, plasma neutrophil gelatinase-associated lipocalin; Cr, creatinine; GFR, glomerular filtration rate.