Table 3.

Risk of occurrence of peritoneal cancer in the group of patients with diagnosed breast cancer before prophylactic surgery (n = 80) depending on the characteristics assessed with Cox regression model

	Data
	Characteristic	Risk factor	HR	CI 95 %	p
Dependent variable
Peritoneal cancer	Time from diagnosis of breast cancer prior to prophylactic surgery to prophylactic surgery	Years	1.14	1.00 1.29	0.043
	Time from diagnosis of breast cancer prior to prophylactic surgery to prophylactic surgery	Years > =5 vs. <5	5.00	1.23 300.17	0.030
	Age at the moment of breast cancer diagnosis in a patient before prophylactic surgery	Years	0.93	0.75 1.14	0.488