Table 1.
General characteristics of the study population
| General characteristics | Study population | P value | ||||
|---|---|---|---|---|---|---|
| Dialysis (n = 19) | Transplant recipients (n = 17) | Healthy controls (n = 33) | Dialysis vs. healthy controls | Transplant recipients vs. healthy controls | Dialysis vs. transplant recipients | |
| Male | 12 (63 %) | 12 (70 %) | 16 (49 %) | 0.78a | 0.08a | 0.45a |
| Hypertension | 8 (42 %) | 6 (35 %) | 0 (0 %) | <0.001a | 0.001a | 0.74a |
| RRT duration (years) | 1.4 [0.0–15.6] | 2.7 [0.1–4.8] | - | - | - | 0.30b |
| GFR (ml/min/1.73 m2) | 7.9 [4.0–27.0] | 60.3 [7.2–95.7] | - | - | - | - |
| Hemoglobin (mmol/l) | 6.7 [5.3–8.0] | 7.2 [5.4–8.5] | - | - | - | 0.07 |
| BSA (m2) | 1.3 ± 0.4 | 1.3 ± 0.4 | 1.4 ± 0.4 | 0.67b | 0.63b | 0.85b |
| BMI Z-score | -0.1 [−3.1 to 1.6] | 0.7 [−1.0 to 2.6] | 0.2 [−3.8 to 1.7] | 0.12b | 0.21b | 0.03b |
| Age (years) | 15.1 [1.2–17.9] | 13.7 [4.6–18.4] | 12.5 [2.4–18.3] | 0.24b | 0.47b | 0.89b |
Values in table are presented as the median with the range in square brackets, a number (n) with the percentage in parenthesis or the mean ± standard deviation (SD)
RRT renal replacement therapy, GFR glomerular filtration rate (calculated according to the 2009 Schwartz formula), BSA body surface area (according to the Dubois and Dubois formula), BMI body mass index
aFisher's exact test
b Mann-Whitney U test