Research Article

A Cross-Sectional Analysis of Dietary Intake and Nutritional Status of Patients on Haemodialysis Maintenance Therapy in a Country of Sub-Saharan Africa

Table 5

The clinical outcome measures (median) split by attainment of relevant reference ranges of dietary intakes (n = 42), dialysis adequacy (n = 50), and inflammation status (n = 62) for adults on haemodialysis in one Tanzanian centre.

Albumin (g/l)Creatinine (mmol/l)Potassium (mmol/l)Calcium (mmol/l)Phosphate (mmol/l)Haemoglobin (g/l)Serum iron (µmol/l)

Protein (g/kgwt/d) [4]
<1.136.0 (34.0, 40.0)859.2 (546.5, 1121.1)5.1 (4.0, 6.3)2.1 (2.0, 2.2)1.1 (0.9, 1.4)84.8 (78.0, 98.5)9.4 (6.7, 12.0)
≥1.139.0 (33.8, 41.0)780.2 (344.8, 1276.8)4.4 (3.7, 5.2)2.1 (1.9, 2.3)1.1 (0.8, 1.1)83.5 (59.1, 107.3)8.8 (6.9, 15.0)
#(p, effect size)0.45, −0.130.74, −0.050.27, −0.180.95, −0.010.32, 0.160.73, −0.060.95, −0.01
¥(r, p)−0.13, 0.47−0.11, 0.53−0.05, 0.76−0.02, 0.92−0.12, 0.51−0.19, 0.280.03, 0.85
Energy (kcal/kgwt/d) [4]
<3038.0 (34.5, 40.0)851.1 (545.1, 1121.1)4.9 (4.0, 6.3)2.1 (2.0, 2.2)1.1 (0.9, 1.4)86.6 (80.5, 99.1)9.4 (6.7, 11.7)
≥3034.0 (33.0, 39.0)913.4 (616.4, 1276.8)4.95 (4.4, 5.7)2.1 (1.9, 2.2)1.1 (0.9, 1.3)79.9 (66.9, 88.7)8.8 (4.7, 15.2)
#(p, effect size)0.13, −0.260.61, −0.080.89, −0.020.32, −0.160.91, −0.020.07, −0.300.93, −0.01
¥(r, p)−0.16, 0.350.04, 0.810.14, 0.43−0.16, 0.34−0.04, 0.84−0.12, 0.520.25, 0.14
URR (%) [25]
≤6537.5 (34.0, 39.25)898.15 (554.0, 1346.48)5.55 (4.63, 6.70)2.06 (1.96, 2.17)1.14 (0.79, 1.37)90.55 (81.35, 104.75)7.9 (6.0, 1.8)
>6536.0 (32.0, 39.0)855.2 (501.1, 1094.8)5.1 (4.3, 6.1)2.1 (2.0, 2.2)1.0 (0.9, 1.5)81.3 (70.6, 96.1)9.1 (6.5, 10.9)
#(p, effect size)0.49, −0.210.29, −0.130.22, −0.130.72, −0.070.83, −0.080.05, −0.280.96, −0.15
¥(r, p)−0.19, 0.20−0.33, 0.02−0.29, 0.04−0.07, 0.62−0.13, 0.39−0.36, 0.02−0.09, 0.57
C-RP (mg/l) [26]
<538.0 (35.0, 39.0)927.6 (578.7, 1085.1)4.9 (4.2, 5.9)2.1 (2.0, 2.2)1.2 (0.9, 1.5)89.2 (84.7, 100.0)9.2 (7.2, 12.5)
≥536.0 (32.0, 39.0)687.8 (482.3, 1179.4)5.1 (4.4, 6.7)2.1 (1.9, 2.2)1.1 (0.8, 1.4)81.4 (70.5, 99.9)8.3 (5.2, 12.5)
#(p, effect size)0.09, −0.210.32, −0.130.29, −0.130.60, −0.070.55, −0.080.03, −0.280.24, −0.15
¥(r, p)−0.32, 0.02−0.08, 0.55−0.02, 0.90−0.09, 0.49−0.09, 0.50−0.22, 0.11−0.07, 0.59

URR = urea reduction ration; C-RP = C-reactive protein; [24] UK Renal Association; [25] National Kidney Foundation-Kidney Disease Outcome Quality Initiative; #Mann–Whitney test; ¥covariate correlation coefficient.