Table 3 The concentrations of testosterone in the acrophase and the bathyphase of the 8-hour rhythm in all animals in the group studied on March 7–8, 2019 (n = 9).

From: Ultradian and Infradian Rhythms in the Dynamic of Testosterone Concentration in the Serum of the White-Breasted Hedgehog Erinaceus roumanicus

Phase

Time of a day, h

Testosterone level, nmol/l (Me; Q25-Q75)

Statistical significance, p (Mann-U test)

Acrophase

23:10–00:30

7:10–8:30

15:10–16:30

70.2(55.3;76.5)

n = 27

p = 0.0016

Bathyphase

01:50–5:50

9:50–13:50

17:50–21:50

52.3 (36.1; 63.3)

n = 27

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