. 2021 May 27;11:11116. doi: 10.1038/s41598-021-90630-8

Table 3.

The strength of the response to the phantom depending on the regularity of use and the concentration of hormones in the seminal plasma (mean ± SD) in connection with relationship between the male housing system and the concentration of hormones in theirseminal plasma (mean ± SD).

Hormone profiles	Weak		Strong		Housing system
	Response to the phantom		Response to the phantom		Housing system
	Donating Regular mean ± SD	Donating Irregular mean ± SD	Donating Regular mean ± SD	Donating Irregular mean ± SD	Individual mean ± SD	Group mean ± SD
Testosterone (ng/mL)	8.03^A ± 0.71	7.83^B ± 0.99	8.98^A ± 0.99	8.1^B ± 0.93	8.22^a ± 1.16	9.55^b ± 1.29
LSD weak/strong	**	**	**	**
Estradiol (pg/mL)	301.6^a ± 10.33	317.3^b ± 14.65	351.1^a ± 17.08	374.8^b ± 17.62	333.10^a ± 11.84	349.92^a ± 13.97
LSD weak/strong	*	*	*	*
Prostaglandin E₂ (pg/mL)	21.0^a ± 0.8	19.79^b ± 0.79	24.8^a ± 1.07	24.24^a ± 1.1	22.76^a ± 1.1	21,07^a ± 1.53
LSD weak/strong	*	*	*	*

Explanation: different letters in the same column differ significantly; a, b (P < 0.05), C, D (P < 0.01), *P < 0.05; **P < 0.01.

^#Only animals that donate re gularly are included.