Can we use gonadotropin plasma concentration as surrogate marker for BMI-related incomplete estrogen suppression in breast cancer patients receiving anastrozole?

Table 2 Correlation of BMI with estradiol and gonadotropins (n = 135)

Hormones	Correlation with BMI (Spearman rank correlation coefficient)	p-value
Estradiol	0.004	0.966
LH	- 0.225	0.018
FSH	- 0.260	0.006
SHBG	- 0.312	0.001

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