Table 1. Baseline characteristics of patients.
| Characteristic | Maca (n=41) | Placebo (n=39) | p-value |
|---|---|---|---|
| Age (y) | 65.02±6.80 | 65.74±8.68 | |
| Height (cm) | 167.31±6.31 | 168.04±6.01 | 0.6012 |
| Body weight (kg) | 69.09±9.31 | 69.47±7.92 | 0.8424 |
| Waist circumference (cm) | 87.76±6.97 | 87.88±7.09 | 0.9389 |
| AMS | 45.61±9.22 | 47.77±10.11 | 0.3210 |
| ADAM | 29 (70.7) | 32 (82.1) | 0.2344 |
| IIEF | 33.17±16.43 | 31.33±16.33 | 0.6175 |
| IPSS | 13.93±6.40 | 13.18±7.06 | 0.6211 |
| PSA | 1.31±0.92 | 1.55±1.15 | 0.2700 |
| Serum total testosterone (ng/mL) | 4.40±1.64 | 5.46±1.88 | 0.0086 |
| Serum free testosterone (pg/mL) | 7.41±1.78 | 8.78±1.99 | 0.0018 |
| Serum total cholesterol (mg/dL) | 161.66±32.42 | 179.97±35.42 | 0.0181 |
| Serum HDL-C (mg/dL) | 49.37±10.60 | 50.49±11.36 | 0.6491 |
| Serum LDL-C (mg/dL) | 88.63±28.78 | 103.51±31.54 | 0.0304 |
| Serum triglyceride (mg/dL) | 110.27±68.36 | 119.85±65.98 | 0.5259 |
Values are presented as mean±standard deviation or number (%).
Maca: Lepidium meyenii, AMS: Aging Males’ Symptoms scale, ADAM: Androgen Deficiency in the Aging Males, IIEF: International Index of Erectile Function, IPSS: International Prostate Symptom Score, PSA: prostate specific antigen, HDL-C: high density lipoprotein cholesterol, LDL-C: low density lipoprotein cholesterol.
p-value indicates the paired t-test.