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Table 5 Basal and stimulated prolactin 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)

Prolactin (ng/mL) (median; 95% CI)

 Basal

12.1 (7.2–23.0)

10.6 (7.9–15.7)

NS

 During hypoglycemia

17.8 (10.0–63.4)

12.2 (7.2–15.9)

0.01

P-value Δ Prolactin (x basal)

0.0032

NS

 

 30 Minutes after hypoglycemia

24.3 (10.5–67.4)

10.5 (6.2–43.4)

0.002

P-value Δ Prolactin (x basal)

<0.0001

n/s (0.98)

  1. Abbreviation: CI confidence interval, ns non significant