Table 3.
Comparisons of baseline characteristics of all PTX patients (N = 115)
| Characteristics | Included | Excluded | P-value |
|---|---|---|---|
| (n = 90) | (n = 25) | ||
| Age (years)a | 46.0 (18.0) | 43.5 (15.0) | 0.776 |
| Male (%) | 54.4 | 46.2 | 0.456 |
| Duration of dialysis (years)a | 8.0 (5.0) | 8.0 (6.5) | 0.897 |
| Hemodialysis (%) | 90.0 | 100 | 0.093 |
| Primary disease (%) | |||
| Hypertension | 26.7 | 7.7 | 0.144 |
| Glomerulonephritis | 14.4 | 7.7 | |
| Diabetes mellitus | 13.3 | 26.9 | |
| Unknown | 38.9 | 50.0 | |
| Others | 6.7 | 7.7 | |
| Symptoms (%) | 0.550 | ||
| Bone pain | 95.6 | 100 | |
| Fracture | 3.3 | 0 | |
| Calciphylaxis | 1.1 | 0 | |
| Operative findings (%) | |||
| All four glands removed | 92.2 | 96.2 | 0.696 |
| Histopathology findings | |||
| Hyperplasia | 92.2 | 88.5 | 0.547 |
| Adenoma | 7.8 | 11.5 | 0.247 |
| Biochemical parameters | |||
| Calcium (mmol/L) | 2.40 ± 0.23 | 2.40 ± 0.28 | 0.727 |
| Phosphate (mmol/L) | 1.92 ± 0.51 | 1.67 ± 0.44 | 0.021 |
| Albumin (g/L) | 35.93 ± 5.27 | 41.69 ± 3.69 | 0.063 |
| ALP (U/L)a | 689.60 (708.50) | 483.50 (581.75) | 0.317 |
| IPTH (pmol/L) | 311.90 ± 171.94 | 231.47 ± 215.90 |
a
Median (interquartile range), tested using Mann–Whitney U.