Table 1.
Baseline characteristics among dialysis patients according to baseline total testosterone quartile.
| TOTAL TESTOSTERONE LEVEL | |||||
|---|---|---|---|---|---|
|
| |||||
| Overall | Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | |
|
| |||||
| N | 624 | 158 | 154 | 156 | 156 |
|
| |||||
| Testosterone range (ng/dl) | |||||
| Min–Max | 0–1644 | 0–190 | 191–296 | 297–423 | 425–1644 |
|
| |||||
| Age (years) | |||||
| Mean + SD | 58 ± 14 | 61 ± 14 | 60 ± 15 | 56 ± 13 | 54 ± 14 |
|
| |||||
| Race (%) | |||||
| Black | 32 | 21 | 29 | 37 | 44 |
| Non-black | 68 | 79 | 71 | 63 | 56 |
|
| |||||
| Vintage (days) | |||||
| Median (IQR) | 370 | 281 (97, 660) | 374 (160, 720) | 396 (167, 735) | 417 (168, 727) |
|
| |||||
| Vascular Access (%) | |||||
| CVC | 21 | 24 | 19 | 21 | 18 |
| AVF/AVG | 56 | 56 | 58 | 54 | 59 |
| PD Catheter | 29 | 16 | 19 | 22 | 23 |
| Unknown/Missing | 3 | 4 | 4 | 2 | 1 |
|
| |||||
| Cause of ESRD (%) | |||||
| Diabetes | 40 | 42 | 40 | 40 | 37 |
| Hypertension | 29 | 30 | 25 | 31 | 31 |
| Glomerulonephritis | 14 | 11 | 16 | 11 | 19 |
| Cystic Disease | 2.7 | 1.9 | 1.9 | 5.1 | 1.9 |
| Other | 14 | 15 | 16 | 13 | 10 |
|
| |||||
| Modality (%) | |||||
| HD | 79.6 | 83.5 | 81.2 | 77.6 | 76.3 |
| PD | 20.3 | 16.5 | 18.8 | 22.4 | 23.7 |
|
| |||||
| Diabetes (%) | 61.9 | 65.2 | 60.4 | 62.8 | 59.0 |
|
| |||||
| CHF (%) | 47.3 | 54.4 | 50.0 | 40.4 | 44.2 |
|
| |||||
| CHD (%) | 18.6 | 18.4 | 15.6 | 22.4 | 18.0 |
|
| |||||
| Serum albumin (g/dl) | |||||
| Median (IQR) | 3.9 (3.6, 4.1) | 3.9 (3.6, 4.1) | 3.9 (3.6, 4.2) | 3.9 (3.6, 4.2) | 3.9 (3.6, 4.2) |
Abbreviations: CVC, central venous catheter; AVF, arteriovenous fistula; AVG, arteriovenous grat; PD, peritoneal dialysis; HD, hemodialysis; CHF, congestive heart failure; CHD, coronary heart disease.