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Table 1 Baseline characteristics of the study population

From: Assessment of the efficacy of hemodialysis on uric acid clearance in a sub-Saharan African population at the end stage kidney disease

Variables Overall Males Females
N (%) 144 (100) 91 (63.2) 53 (36.8)
Mean age, year, (SD) 49.2 (14.1) 50 (14) 48 (15)
Age, min-max, year 15–74 22–74 15–74
Underlying nephropathy, n (%) Hypertensive nephropathy 36 (25) 28 (19.4) 8 (5.6)
Unknown 27 (18.8) 13 (9) 14 (9.7)
Diabetic nephropathy 22 (15.3) 18 (12.5) 4 (2.8.)
Chronic glomerulonephritis 23 (16) 16 (11.1) 7 (4.9)
Chronic interstitial nephropathy 8 (5.6) 8 (5.6) 0 (0)
Gout nephropathy 7 (4.9) 0 (0) 7 (4.9)
Polycystic kidneys 7 (4.9) 1 (0.7) 6 (4.2)
Hypertension and diabetes 6 (4.2) 4 (2.8.) 2 (1.4)
HIV associated nephropathy 6 (4.2) 3 (2.1) 3 (2.1)
Hepatitis C nephropathy 1 (0.7) 1 (0.7) 0 (0)
Focal and segmental hyalinosis 1 (0.7) 0 (0) 1 (0.7)
Comorbidities, n (%) Hypertension 128 (88.9) 84 (58.3) 44 (30.6)
Hyperuricemia 118 (81.9) 71 (40.9) 47 (32.6)
Excess weight 47 (32.6%) 30 (20.8) 17 (11.8)
Diabetes 33 (22.9) 23 (16) 10 (6.9)
Cardiopathies 24 (16.7) 17 (11.8) 7 (4.9)
Past history of cerebral stroke 12 (8.4) 9 (6.3) 3 (2.1)
Hepatitis C 18 (12.5) 12 (8.3) 6 (4.2)
HIV 7 (4.9) 3 (2.1) 4 (2.8)
Hepatitis B 3 (2.1) 3 (2.1) 0 (0)
Past history of gout 16 (11.1) 14 (9.7) 2 (1.4)
Tobacco consumption 4 (2.8) 4 (2.8) 0 (0)
Mean BMI, Kg/m2 (SD) 23.8 (3.6) 23.6 (2.7) 24.1 (4.9)
Residual diuresis, n (%) < 100 mL/24 h 91 (63.2) 61 (42.4) 30 (20.8)
≥100 mL/24 h 53 (36.8) 30 (20.8) 23 (16)
Median time on HD replacement [Q25-Q75], year 3 [1; 6] 3 [1; 6] 2 [1; 5]
Interval between dialytic sessions, n (%) < 3 days 24 (16.7) 15 (10.4%) 9 (6.3%)
≥3 days 120 (83.3) 76 (52.8%) 44 (30.6%)
Vascular access, n (%) Fistula 124 (86.1) 79 (54.9) 45 (31.3)
Catheter 20 (13.9) 12 (8.3) 8 (5.6)
Size of the dialysis membrane, n (%) FX10 105 (72.9) 73 (50.7) 32 (22.2)
FX8 37 (25.7) 17 (11.8) 20 (13.9)
FX5 2 (1.4) 1 (0.7) 1 (0.7)
Blood efflux, n (%), < 300 ml/min 75 (52.1) 43 (29.9) 32 (22.2)
≥300 ml/min 69 (47.9) 48 (33.3) 21 (14.6)
Mean Kt/VUrea (SD) 1.3 (0.2) 1.2 (0.2) 1.5 (0.2)