Table 2.
Demographic, hemodynamic, and biochemical characteristics in 173 prevalent hemodialysis patients according to sex-specific median prolactin values
| Characteristic | ≤ Median (n=86) | > Median (n=87) | P Value |
|---|---|---|---|
| Age (yr) | 65±13 | 66±12 | 0.51 |
| Cardiovascular disease (%) | 41 | 56 | 0.04 |
| Diabetes (%) | 13 | 23 | 0.08 |
| Body mass index (kg/m2) | 24.5±3.6 | 25.6±3.8 | 0.04 |
| Smoking (%) | 7 | 18 | 0.02 |
| Hemodialysis vintage (mo) | 48 (24–92) | 50 (22–75) | 0.95 |
| Hemoglobin (g/dl) | 11.6±1.2 | 11.2±1.1 | 0.05 |
| Albumin (g/dl) | 4.1±0.4 | 4.0±0.4 | 0.01 |
| C-reactive protein (mg/L) | 4.4 (3.2–12.6) | 6.3 (3.2–12.6) | 0.11 |
| Calcium (mg/dl) | 9.2±0.8 | 9.5±0.9 | 0.03 |
| Phosphate (mg/dl) | 5.1±1.2 | 5.5±1.1 | 0.02 |
| Parathyroid hormone (pg/ml) | 221 (102–370) | 185 (102–327) | 0.48 |
| Pulse wave velocity (m/s) | 10.6±1.7 | 11.2±1.4 | 0.008 |
| Prolactin (ng/ml) | 9.9 (7.1–14.6) | 33.1 (26–53.7) | — |
Median values of prolactin were 25 ng/ml (14–35) for women and 16 ng/ml (8–33) for men. Continuous values are mean ± SD or median (interquartile range).