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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