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. 2020 Apr;9(2):609–613. doi: 10.21037/tau.2020.01.30

Table 2. Univariate linear regression analysis for the percentage of change in TT.

Variable Univariable Multivariable
R2 B 95% CI for B P value B 95% CI for B P value
Lower bound Upper bound Lower bound Upper bound
Age in years (n=69) 0.057 −7.428 −14.806 −0.050 0.048
BMI (n=68) 0.009 −1.962 −7.142 3.219 0.452 −1.940 −7.024 3.144 0.449
E pre-treatment (n=69) 0.001 −0.595 −4.420 3.230 0.757 0.265 −3.559 4.089 0.890
FSH pre-treatment (n=62) 0.068 −8.362 −16.373 −0.352 0.041 −5.989 −14.499 2.521 0.164
LH pre-treatment (n=51) 0.096 −20.672 −38.861 −2.484 0.027 −19.931 −38.108 −1.755 0.032

R2 = coefficient of determination, B = unstandardized regression coefficient. Multivariable model adjusted by age. TT, total testosterone; BMI, body mass index; E, estradiol; FSH, follicle stimulating hormone; LH, luteinizing hormone.