Table 1 Characteristics and clinical variables of subjects
Characteristic or clinical variable (normal range) | Value | Range | p value |
|---|---|---|---|
mean ± SD or n (%) | |||
Age (years) | 55.7 ± 13.5 | p = 0.60 | |
Male | 56.5 ± 14.4 | 18–83 | |
Female | 54.7 ± 12.6 | 27–78 | |
Body weight (kg) | 61.4 ± 11.9 | p < 0.001 | |
Male | 68.1 ± 11.2 | 49.2–93.4 | |
Female | 53.1 ± 6.1 | 41.5–66.6 | |
Body height (cm) | 161.4 ± 8.5 | p < 0.001 | |
Male | 166.8 ± 6.4 | 150.5–182.0 | |
Female | 154.5 ± 5.3 | 144.0–165.0 | |
Body mass index (kg/m2) | 23.5 ± 3.6 | p = 0.014 | |
Male | 24.5 ± 3.9 | 17.4–34.1 | |
Female | 22.3 ± 2.6 | 17.9–28.0 | |
Kt/V | 1.5 ± 0.2 | p < 0.001 | |
Male | 1.3 ± 0.2 | 1.0–1.6 | |
Female | 1.6 ± 0.2 | 1.2–2.0 | |
Hemoglobin (g/dl) | 10.6 ± 1.2 | p = 0.85 | |
Male (12.3–18.3 g/dl) | 10.6 ± 1.3 | 7.6–15.4 | |
Female (11.3–15.3 g/dl) | 10.5 ± 1.1 | 7.5–12.1 | |
Calcium (8.1–10.4 mg/dl) | 9.0 ± 0.8 | 7.0–11.2 | |
Phosphate (2.7–4.5 mg/dl) | 5.2 ± 1.7 | 2.7–13.3 | |
Calcium-phosphate product | 46.9 ± 15.2 | 24.7–97.9 | |
Albumin (3.5–5.0 g/dl) | 4.1 ± 0.3 | 3.4–4.8 | |
Alkaline phosphatase (60–220 U/l) | 185.4 ± 97.1 | 72–564 | |
iPTH (12–72 pg/ml) | 264.3 ± 263.7 | 3.0–1550 | |
Duration of dialysis (month) | 38.8 ± 39.8 | 6–202 | |
Effective exercise time (minute/wk) | 100.3 ± 206.9 | 0–1050 | |
Had bone densitometry history | 12 (19%) | ||
Had fracture history after dialysis | 3 (5%) | ||
Had parathyroidectomy history | 6 (10%) | ||
Had renal transplantation history | 3 (5%) |