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. Author manuscript; available in PMC: 2013 Jan 15.
Published in final edited form as: Respir Physiol Neurobiol. 2011 Oct 29;180(1):79–87. doi: 10.1016/j.resp.2011.10.012

Figure 6. Correlation between serum estradiol concentration and ventilatory responses to hypoxia and hypercapnia.

Figure 6

A. Correlation between serum estradiol levels and change (Δ) in ventilation in hypoxia in P10-11, P12-13, and P14-15 male and female rats. There is a strong negative correlation in male rats (R2 = 0.999) whereas in female rats there is no correlation (R2 = 0.098). B. Correlation between serum estradiol levels and change (Δ) in ventilation in hypercapnia in P10-11, P12-13, and P14-15 male and female rats. There is a strong negative correlation in male rats (R2 = 0.908) whereas in female rats there is a less robust correlation (R2 = 0.613).