Table 4.

Correlation analysis (Spearman’s rho index) of symptoms characterizing menstrual bleeding and the frequency of injuries appearance as well as anthropometric parameters and characteristics of swimming training in the group of female athletes.

	Less Profuse Bleeding	More Profuse Bleeding	Bleeding Lasts Less than 3 Days	Bleeding Lasts More than 3 Days	Amenorrhea (Monthly Cycle Stopped)	Injuries Incidence
Age[years]	−0.10	0.17	0.00	−0.25 *	−0.06	0.12
Height [cm]	0.01	0.04	−0.07	0.25 *	0.10	0.29 *
Body weight [kg]	−0.21	0.06	−0.03	0.23	0.11	0.28 *
BMI [kg/m2]	−0.25 *	0.08	0.02	0.14	0.11	0.21
Number of years of swimming training	−0.12	0.32 *	−0.17	−0.27*	0.03	0.31 *
Number of trainings per week	−0.08	−0.12	−0.12	−0.04	−0.12	−0.04
The duration of a single swimming training session	0.11	−0.04	0.14	−0.23	−0.11	0.11
Number of swimming hours per week	0.05	−0.02	0.11	−0.13	−0.02	0.08
The number of kilometers swam during one training session	0.01	0.04	0.27 *	−0.20	−0.04	−0.11
Subjective assessment of the perceived effort according to the Borg scale	0.17	−0.01	0.07	0.10	−0.02	0.04

* p < 0.05.