TABLE 3.

Competing risk multivariable model for invasive versus in situ recurrence

	Invasive recurrence		In situ recurrence
	HR	p value	HR	p value
Age
<40	1		1
40 – 49	0.48	0.01	1.33	0.4
50 – 59	0.33	0.0002	0.69	0.3
60 – 69	0.29	0.00008	0.88	0.7
70 – 79	0.36	0.003	0.81	0.6
≥80	0.14	0.01	0.24	0.06
Presentation		0.8		0.02
Clinical	1.07		1.61
Radiological	1		1
Family History		0.3		0.04
No	1		1
Yes	1.21		1.38
Necrosis		0.2		0.02
Absent	1		1
Present	1.27		1.5
Number of excisions		0.8		0.007
≤2	1		1
≥3	1.1		1.92
Margin status		0.2		0.1
Close/positive	1.31		1.33
Negative	1		1
Radiation therapy		0.00004		<0.00001
Yes	0.43		0.45
No	1		1
Endocrine therapy		0.02		0.003
Yes	0.53		0.49
No	1		1
Year of surgery		0.9		0.0005
≤1998	1		1
≥1999	1.03		0.56