Table 3. The correlations between serum log-ferritin (ng/ml) and other detected variables.
| Variables | R1 a | P-value | R2 b | P-value |
| Total testosterone (ng/ml) | –0.205 | <0.001 | –0.200 | <0.001 |
| Free testosterone (nM/L) | –0.097 | <0.001 | –0.083 | <0.001 |
| SHBGc (nM/L) | –0.161 | <0.001 | –0.182 | <0.001 |
| Estradiol (pg/ml) | –0.048 | 0.034 | –0.039 | 0.083 |
R1 a : Pearson’s correlation coefficient in condition of none was adjusted; R2 b : Partial correlation coefficient in condition of age and alcohol consumption was adjusted; SHBGc: sex hormone-binding globulin;