Subjects (n)	215
Age (years)	72.9 ± 5.9
Male sex (n, %)	130 (60.5)
Diabetes (n, %)	95 (44.1)
Body mass index
Mean (kg/m2)	23.7 ± 3.7
<20 (n, %)	32 (14.9)
20–24 (n, %)	110 (51.2)
25–30 (n, %)	58 (27.0)
>30 (n, %)	15 (7.0)
Weight (kg)	61.9 ± 12.1
Height (cm)	161.3 ± 8.7
Body-surface area (m2)	1.64 ± 0.18
Serum creatinine (mg/dL)	2.4 ± 2.0
Measured GFR (mL/min/1.73 m2)
Mean	39.4 ± 20.2
<15	4 (1.9)
15–29	24 (11.2)
30–44	56 (26.0)
45–59	53 (24.7)
60–68	53 (24.7)
>90	25 (11.6)

Note:

^*Plus-minus values are means ± standard deviation.

Abbreviation: GFR, glomerular filtration rate.