Table 1 Comparison of demographic characteristics of patients between the observation group and the control group
Variables | observation group | control group | Test statistic | p value* |
|---|---|---|---|---|
Numbers(n) | 65 | 65 | ||
Age(years,m ± SD) | 29.6 ± 7.7 | 28.7 ± 7.5 | t = 0.686 | 0.494 |
Varicocele, side,n(%) | χ2 = 1.170 | 0.367 | ||
Unilateral | 28(43.1) | 22(33.8) | ||
Bilateral | 37(56.9) | 43(66.2) | ||
Grade,n(%) | χ2 = 3.558 | 0.169 | ||
I | 4(6.2) | 9(13.8) | ||
II | 53(81.5) | 44(67.7) | ||
III | 8(12.3) | 12(18.5) | ||
BMI(Kg/m2,m ± SD) | 22.1 ± 3.0 | 22.9 ± 3.4 | t=-1.552 | 0.123 |