Table 1.
Descriptive Characteristics
| Testosterone Treated n = 28 |
Placebo Treated n = 36 |
|||||
|---|---|---|---|---|---|---|
| Mean | SD | Range | Mean | SD | Range | |
| Age (y) | 73.6 | 5.8 | 65–86 | 72.8 | 4.5 | 65–82 |
| BW (kg) | 84.6 | 14.1 | 56.8–104.3 | 93.8 | 14.3 | 70.5–136.4 |
| BMI (kg/m2) | 28.7 | 4.2 | 21.3–37.7 | 31.2 | 4.3 | 24.6–40 |
| Total testosterone (ng/dL) | 262.5 | 54.6 | 171–378 | 242.6 | 64.3 | 139–431 |
| Free testosterone (pg/dL) | 49.8 | 12.2 | 28–74 | 45.3 | 12.0 | 18–72 |
| Hemoglobin (g) | 14.4 | 0.9 | 12.1–15.8 | 14.1 | 1.0 | 11.3–16.2 |
| Hematocrit (%) | 42.2 | 2.7 | 36.1–46.3 | 41.4 | 3.0 | 34–47.5 |
| V̇O2peak (mL/kg/min) | 20.5 | 4.3 | 14.1–30.2 | 19.9 | 4.7 | 12.5–31.1 |
| V̇O2θ (mL/kg/min) | 13.6 | 2.4 | 10.1–20.5 | 13.6 | 2.7 | 9.8–21.3 |
| β-B or CCB; number (%) | 20 (71%) | 17 (47%) | ||||
Abbreviations: BMI, body mass index; β-B, β-blocker; CCB, calcium channel blocker.