Table 1.

Baseline patient characteristics based on PASP^*.

	PASP<35 (n=123)	PASP≥35 (n=130)	p-value
Mean PASP (mmHg)	27.8(6.0)	48.7(11.0)	<0.001
Age, yrs	55.0(14.4)	57.7(13.6)	0.14
Male sex, n(%)	73(59)	67(52)	0.21
African American, n(%)±	103(84)	100(78)	0.21
Diabetes mellitus, n(%)	49(40)	59(45)	0.37
Peripheral Vascular Disease, n(%)	9(7)	13(10)	0.45
Coronary artery disease, n(%)	6(5)	11(8)	0.26
Heart failure, n(%)	12(10)	23(18)	0.07
ESRD vintage (yrs)	3.1(1.4,7.9)	3.5(1.9,7.9)	0.72
Albumin (g/dl)	4.0(0.37)	3.9(0.33)	0.06
Hemoglobin (g/dl)	11.5(2.7)	12.1(4.4)	0.15
Arterio-venous Fistula, n(%)	68(55)	66(51)	0.47
ICW┼(L)	22.0(4.9)	21.6(5.3)	0.50
ECWơ(L)	19.1(4.2)	19.3(4.6)	0.79
Fat mass (kg)	25.4(13.3)	24.2(13.9)	0.52

^±Includes 1 missing value

^*PASP: pulmonary artery systolic pressure. Values are mean (sd) for normally distributed variables and median (25th, 75th percentile) for non-normally distributed continuous variables.

^┼Intracellular water

^ơExtracellular water