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Table 1 Cohort characteristics (n = 54)

From: Hyperphosphatemia and its relationship with blood pressure, vasoconstriction, and endothelial cell dysfunction in hypertensive hemodialysis patients

Age (years)

49.0 (12)

African American (n, %)

33 (54)

Hispanic (n, %)

16 (30)

Women (n, %)

21 (39)

Diabetic (n, %)

34 (63)

Taking cinacalcet (n, %)

18 (33)

Taking calcium containing phosphate binder (n, %)

30 (56)

Taking non-calcium containing phosphate binder (n, %)

22 (41)

Receiving intradialytic vitamin D agonist

43 (80)

Taking angiotensin converting enzyme inhibitor (n, %)

20 (37)

Taking angiotensin receptor blocker (n, %)

11 (20)

Taking beta adrenergic receptor antagonist (n, %)

41 (76)

Serum calcium (mmol/L)

2.29 (0.2)

Serum parathyroid hormone (ng/L)

631 (700)

Serum phosphate (mmol/L)

1.9 (0.6)

Serum albumin (g/L)

38.2 (3)

Protein catabolic rate

1.03 (0.3)

Blood urea nitrogen (mmol/L)

20.2 (7.2)

Serum creatinine (µmol/L)

911 (250)

Serum potassium (mmol/L)

4.88 (0.6)

Kt/V

1.46 (0.2)

Hemoglobin (g/L)

105 (11)

Treatment Time (minutes)

233 (19)

Blood flow (mL/min()

409 (86)

Dialysate flow (mL/min)

683 (110)

Receiving 2 K bath (n, %)

45 (83)

Receiving 2.5 Ca bath (n, %)

53 (98)

Estimated dry weight (kg)

85.8 (21)

Percentage of interdialytic weight gain

3.00 (1.9)

Ultrafiltration rate (mL/kg/hr)

8.00 (3.7)

Pre-HD supine systolic BP (mmHg)

164 (27)

Pre-HD seated systolic BP (mmHg)

158 (21)

Post-HD seated systolic BP (mmhg)

142 (21)

Post-HD supine systolic BP (mmHg)

152 (21)

Pre-HD supine diastolic BP (mmHg)

91.5 (17)

Pre-HD seated diastolic BP (mmHg);

86.1 (16)

Post-HD seated diastolic BP (mmHg);

78.4 (15)

Post-HD supine diastolic BP (mmHg)

86.4 (14)

Mean ambulatory systolic BP (mmHg);

144 (14)

Mean ambulatory diastolic BP (mmHg);

79.9 (12)

Pre-HD TPRI (dynes*sec/cm5/m2)

3220 (850)

Plasma ET-1 (pg/mL)

2.42 (1.6)

Plasma ADMA (µmol/L)

0.76 (0.2)

  1. HD Hemodialysis, BP Blood pressure, TPRI Total peripheral resistance index, ET-1 Endothelin-1, ADMA Asymmetric dimethylarginine