Table 1. Baseline characteristics of patients in this study.
| Whole cohort | Matched cohort | |||||
|---|---|---|---|---|---|---|
| HD (n = 78) | PD (n = 70) | P | HD (n = 52) | PD (n = 52) | p | |
| Age (years) | 55.3 ± 12.4 | 51.4 ± 12.0 | 0.056 | 56.1 ± 12.6 | 54.1 ± 10.6 | 0.401 |
| Sex | 0.040 | 1.000 | ||||
| Male | 53 (67.9) | 35 (50.0) | 29 | 29 | ||
| Female | 25 (32.1) | 35 (50.0) | 23 | 23 | ||
| BMI (kg/m 2 ) | 24.2±3.8 | 24.8±4.2 | 0.360 | 24.3 ±4.2 | 24.4 ±4.0 | 0.889 |
| Kidney disease | 0.543 | 0.696 | ||||
| Diabetic nephropathy | 25 | 24 | 22 | 18 | ||
| Hypertensive disease | 28 | 26 | 17 | 20 | ||
| Glomerulonephritis/vasculitis | 19 | 19 | 10 | 13 | ||
| Cystic/hereditary/congenital disease | 3 | 0 | 1 | 0 | ||
| Etiology unknown or missing | 3 | 1 | 2 | 1 | ||
| Dialysis duration (years) | 6.77 (2.81, 13.36) | 4.37 (1.47, 6.47) | 0.0001 | 4.13 (2.35, 7.88) | 4.95 (2.23, 7.18) | 0.709 |
| Kt/V | 1.73 (1.50, 2.07) | 1.95 (1.71, 2.36) | 0.004 | 1.72 (1.48, 2.15) | 1.95 (1.71, 2.28) | 0.045 |
| Biochemical parameters (serum) | ||||||
| Hemoglobin (g/dL) | 10.8±1.5 | 10.2±1.6 | 0.030 | 10.5 ±1.2 | 10.6 ±1.5 | 0.602 |
| Hematocrit (%) | 32.0±4.8 | 30.3±4.7 | 0.033 | 31.2 ±3.8 | 31.4 ±4.7 | 0.732 |
| Sqrt_ferritin | 14.8±5.0 | 20.6±7.2 | < 0.001 | 15.3±4.7 | 20.8±7.6 | <0.001 |
| Sqrt_TSAT | 5.53+1.17 | 6.17+1.29 | 0.002 | 5.48 ±1.18 | 6.27 ±1.25 | 0.001 |
| Creatinine (mg/dL) | 10.4±3.2 | 10.5±4.1 | 0.856 | 9.4 ±3.1 | 10.1 ±3.9 | 0.356 |
| Phosphorous (mg/dL) | 4.92±1.75 | 5.14±1.38 | 0.413 | 4.98 ±1.76 | 4.91 ±1.32 | 0.885 |
| Calcium (mg/dL) | 8.91±0.64 | 9.17±1.01 | 0.067 | 8.90 ±0.53 | 9.34 ±1.02 | 0.008 |
| Potassium (mmol/L) | 4.71±0.65 | 4.30±0.76 | < 0.001 | 4.72 ±0.63 | 4.28 ±0.83 | 0.003 |
| Sqrt_intact PTH (pg/mL) | 17.3+5.0 | 16.5+5.8 | 0.344 | 17.4 ±5.3 | 15.9 ±5.7 | 0.149 |
HD: hemodialysis; PD: peritoneal dialysis; Sqrt: square root transformation; BMI: body mass index; TSAT: transferrin saturation; PTH: parathyroid hormone.