Table 1. Background characteristics of the cohort.
| Parameter | All | TT high groupa | TT low groupb | p-valuec |
|---|---|---|---|---|
| Case | 54 | 28 | 26 | |
| Age (y) | 71.0 (67.0–73.0) | 72.0 (68.0–74.3) | 70.0 (65.3–71.8) | 0.106 |
| BMI (kg/m2) | 23.2 (21.6–25.5) | 22.5 (21.0–24.3) | 24.9 (22.0–26.2) | 0.0402 |
| TT (ng/mL) | 3.59 (2.80–4.74) | 4.63 (3.95–5.65) | 2.72 (2.43–3.12) | <0.0001 |
| T-Chol (mg/dL) | 206 (180–220) | 204 (180–216) | 208 (195–229) | 0.197 |
| TG (mg/dL) | 138 (103–210) | 111 (89–171) | 171 (125–234) | 0.0449 |
| PSA (mg/dL) | 7.0 (4.6–9.3) | 6.7 (4.6–9.5) | 7.1 (4.5–7.9) | 0.782 |
Values are presented as number only or median (interquartile range).
aBlood TT level >3.5 ng/mL. bBlood TT level ≤3.5 ng/mL. cTT high group vs. TT low group.
BMI: body mass index, TT: total testosterone, T-Chol: total cholesterol, TG: triglyceride, PSA: prostate-specific antigen.