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Figure 5 | BMC Endocrine Disorders

Figure 5

From: Twenty-four hours secretion pattern of serum estradiol in healthy prepubertal and pubertal boys as determined by a validated ultra-sensitive extraction RIA

Figure 5

Linear regression analysis between serum testosterone and serum estradiol during 24-hours sampling at different pubertal stages in healthy boys. Boys followed up by repeated measurements were randomized to participate once in the analyses. Serum estradiol correlated significantly with serum testosterone: r = 0.38, p < 0.001 and r = 0.58, p < 0.001 for early to mid-puberty and late puberty, respectively. Estradiol values below the detection limit are set to the expected value of 2 pmol/L.

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