Table 3.
Linear regression analysis of baseline data.
| Independent variables | B | Beta | F | R2 (Adjusted R2) | t | P |
|---|---|---|---|---|---|---|
| Constants | 29.044 | 2.680a | 0.359 (0.225) | 2.301 | 0.026 | |
| Age | −0.189 | −0.184 | −1.169 | 0.249 | ||
| BMI | −0.600 | −0.252 | −1.699 | 0.097 | ||
| Total testicular volume | 0.063 | 0.056 | 0.415 | 0.680 | ||
| FSH | −0.197 | −0.092 | −0.092 | 0.569 | ||
| LH | 1.191 | 0.324 | 2.170 | 0.036 | ||
| E2 | 0.009 | 0.079 | 0.556 | 0.581 | ||
| T | −0.069 | −0.152 | −0.450 | 0.655 | ||
| PRL | −0.006 | −0.085 | −0.562 | 0.577 | ||
| EF0 | −0.347 | −0.368 | −2.599 | 0.013 |
a
Multiple linear regression analysis P < .01
Abbreviations: BMI, body mass index; FSH, follicle-stimulating hormone; LH, luteinizing hormone; E2, estradiol; PRL, prolactin; EF0, IIEF-EF scores of patients before Li-ESWT treatment.