Skip to main content

Table 1 Comparative baseline characteristics of patients with and without stroke

From: Reverse epidemiology of elevated blood pressure among chronic hemodialysis black patients with stroke: a historical cohort study

Variables

Non Stroke

n = 179

Stroke

n = 12

p

Demographics

 Age ≥ 55 years, n(%)

89 (49,7)

6 (50,0)

0,985

 Male, n(%)

117 (65,4)

12 (100,0)

0,013

 Duration of HD (month)

5,4 (3–37)

6,2 (3–48)

0,560

 Body mass index (Kg/m2)

24,8 ± 4,8

22,9 ± 3,5

0,318

Etiologies of renal disease

 • Diabetic nephropathy

61 (34,1)

3 (25.0)

0,519

 • Chronic glomerulonephritis

53 (29.6)

1 (8.3)

0.113

 • Hypertensive

44 (24.6)

4 (33.3)

0.499

 • HIVAN

7 (3.9)

1 (8.3)

0.044

 • Polycistic Kidney Disease

3 (1.7)

0

0.651

 • Obstructive uropathy

9 (5.0)

1 (8.3)

0.619

 • Chronic pyelonephritis

2 (1.1)

1 (8.3)

0.052

Comorbidities

 • Cardiovascular diseases (CVD)

89 (49.7)

7 (58.3)

0.391

 • History of cancer

10 (5.6)

2 (16.3)

0.017

 • HIV

9 (5.0)

2 (16.7)

0.015

 • Rhumatismal disease

17 (9.5)

2 (16.7)

0.340

Laboratory variable

 Serum creatinine (mg/dl)

13,9 ± 8,8

14,3 ± 5,9

0,901

 GFR, ml/min/1.73 m2

6,06 ± 3,3

5,17 ± 2,3

0,363

 Serum urea nitrogen (mg/dl)

219,7 ± 10,2

269,2 ± 12,2

0,105

 Serum uric acid (mg/dl)

8,0 ± 2,9

8,87 ± 3,

0,460

 Calcemia (mEq/l)

4,3 ± 0,7

4,1 ± 0,6

0,272

 Serum phosphorus (mg/dl)

5,0 ± 2,3

4,6 ± 1,6

0,692

 CaxP (mg2/dl2)

44,1 ± 19,4

34,4 ± 16,8

0,335

 Total cholesterol (mg/dl)

187,8 ± 63,4

164,2 ± 56,2

0,551

 Serum albumin (g/l)

37,6 ± 8,4

37,4 ± 5,9

0,227

 Total protein (g/l)

65,5 ± 12,2

68,3 ± 9,8

0,550

 Hemoglobin(g/dl)

8,1 ± 1,9

8,5 ± 2,1

0,519

 CRP (mg/l)

6,3 (4,1–12,0)

6,5 (5,0–12,0)

0,029

 24 h–proteinuria (g)

1,7 (1,2–2,2)

1,5 (1,3–2,3)

0,999

Risk factors for CVD

 Hypertension, n(%)

155 (86,6)

8 (66,7)

0,008

 Systolic blood pressure (mm Hg)

156,9 ± 27,7

136,8 ± 19,0

0,014

 Diastolic blood pressure(mm Hg)

86,8 ± 18,9

79,2 ± 17,0

0,174

 Mean arterial pressure (mm Hg)

110,0 ± 19,8

98,4 ± 16,3

0,044

 Pulse Pressure (mm Hg)

70,5 ± 21,2

56,8 ± 15,1

0,029

 Diabetes Melitus, n(%)

76 (42,5)

3 (25,0)

0,189

 Obesity, n(%)

32 (17,9)

4 (33,3)

0,169

 Prior stroke, n(%)

32 (17,9)

3 (25,0)

0,038

 Anemia, n(%)

168 (93,9)

11 (91,7)

0,552

 LVH, n(%)

71 (42,8)

7 (63,6)

0,015

 Hyperuricemia, n(%)

32 (17,9)

3 (25,0)

0,038

 Hypercholesterolemia, n(%)

44 (24,6)

2 (16,7)

0,414

 Tabac, n(%)

15 (8,4)

0 (0,0)

0,363

 Alcohol, n(%)

34 (19,0)

4 (33,3)

0,197

KT/V

  < 1,3

46 (43.0)

3 (37.5)

0.533

  ≥ 1.3

61 (57.0)

5 (62.5)