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Table 2 Basal and stimulated cortisol levels in response to an insulin tolerance test (ITT) in athletes (ATL) and non-physically active control subjects (NPAC)

From: Enhancement of hypothalamic-pituitary activity in male athletes: evidence of a novel hormonal mechanism of physical conditioning

Hormone

ATL (n = 25)

NPAC (n = 12)

P-value (ATL × NPAC)

Cortisol (μg/dL) (mean ± SD)

 Basal

12.5 ± 3.1

10.9 ± 2.8

ns

 During hypoglycemia

15.9 ± 5.3

11.8 ± 3.1

0.016

 P-value of Δ cortisol (x basal)

0.018

NS

 

 30 Minutes after hypoglycemia

21.7 ± 3.1

16.9 ± 4.1

<0.0001

 P-value of Δ cortisol (x basal)

<0.0001

0.0004

 
  1. Abbreviations: SD standard deviation, ns non significant