Table I.

Correlations between glandular and fat tissue elasticity and selected parameters

	Mean glandular elasticity of both breasts [kPa]	Minimum glandular elasticity of both breasts [kPa]	Maximum glandular elasticity of both breasts [kPa]	Mean fatty tissue elasticity of both breasts [kPa]	Minimum fatty tissue elasticity of both breasts [kPa]	Maximum fatty tissue elasticity of both breasts [kPa]
Age [years]	Rs = 0.27	Rs = 0.24	Rs = 0.22	Rs = 0.10	Rs = 0.13	Rs = 0.01
	P = 0.007	P = 0.0172	p = 0.0321	P = 0.30	p = 0.18	p = 0.91
Pregnancies [No]	Rs = 0.01	Rs = 0.04	Rs = 0.01	Rs = 0.05	Rs = 0.06	Rs = 0.03
	P = 0.84	p = 0.67	p = 0.88	P = 0.62	p = 0.50	p = 0.76
Age of the 1st delivery [years]	Rs = 0.06	Rs = 0.10	Rs = 0.09	Rs = 0.11	Rs = 0.14	Rs = 0.15
	P = 0.53	p = 0.32	p = 0.37	P = 0.27	p = 0.17	p = 0.14
Lactation [years]	Rs = 0.01	Rs = 0.11	Rs = 0.03	Rs = 0.21	Rs = 0.25	Rs = 0.25
	P = 0.86	p = 0.27	p = 0.76	P = 0.03	p = 0.01	p = 0.01
BMI [kg/m2]	Rs = 0.19	Rs = 0.09	Rs = 0.10	Rs = 0.09	Rs = 0.10	Rs = -0.02
	P = 0.55	p = 0.32	p = 0.29	P = 0.33	p = 0.30	p = 0.79
VAS breast pain [mm]	Rs = -0.13	Rs = 0.04	Rs = -0.05	Rs = -0.12	Rs = -0.01	Rs = -0.11
	P = 0.19	p = 0.70	p = 0.60	P = 0.21	p = 0.87	p = 0.31