Table 3.

Multivariable competing risk model for breast cancer metastasis and breast cancer death versus competing events according to SNP-based prognostic groups and patients’ baseline characteristics.

	BC metastasis and BC death		Competing events
	N = 878, events = 73		N = 878, events = 58
Variable	sHR (95% CI)	P value	sHR (95% CI)	P value
SNP-based groups
0 high-risk SNP	1		1
1 high-risk SNP	2.55 (1.00–6.45)	0.048	1.18 (0.55–2.55)	0.671
>1 high-risk SNP	3.48 (1.33–9.13)	0.011	1.06 (0.44–2.58)	0.890
Tumor size
pT1	1		1
pT2	1.90 (1.13–3.20)	0.016	1.29 (0.71–2.34)	0.402
pT3–4	3.56 (1.79–7.10)	<0.001	1.28 (0.44–3.73)	0.652
Nodal status
pN0	1		1
pN+	3.15 (1.62–6.13)	<0.001	1.16 (0.62–2.17)	0.647
(Neo)adjuvant chemotherapy
No	1		1
Yes	1.22 (0.52–2.84)	0.652	1.16 (0.62–2.17)	0.990
Age at diagnosis	0.99 (0.97–1.03)	0.940	1.03 (1.00–1.07)	0.037
Study cohort
GIM4	1		1
GIM5	0.95 (0.58–1.56)	0.835	0.37 (0.18–0.78)	0.009

Abbreviation: BC, breast cancer.