Peripheral Vascular Dysfunction in Chronic Kidney Disease

Table 1

Stages of CKD.

Stage	Description	GFR, mL·min^−1 per 1.73 m^2
1	Kidney damage with normal or increased GFR	≥90
2	Kidney damage with mildly decreased GFR	60–89
3	Moderately decreased GFR	30–59
4	Severely decreased GFR	15–29
5	Kidney failure	<15 or dialysis

Adapted from National Kidney Foundation K/DOQI clinical practice guidelines for chronic kidney disease [15].