Table 2.

Multivariable analysis of variables to predict disease-specific survival in TNBC

Variable	Clinical-pathologic Model		Radiomics Model
	Hazard Ratio(95% CI)	P value	Hazard Ratio(95% CI)	P value
T stage
T1(≤2 cm)	Reference		Reference
T2(2–5 cm)	2.26 (1.12–3.56)	0.013	2.06 (1.05–2.73)	0.029
T3(≥5 cm)	2.34 (1.26–6.25)	0.026	1.86 (0.69–3.17)	0.27
N stage
N0	Reference		Reference
N1	1.67 (0.76–2.45)	0.584	1.36 (0.48–2.34)	0.803
N2 + N3	5.22 (2.96–8.10)	<0.001	2.76 (1.36–4.81)	0.009
Ki-67 index
<30%	Reference		Reference
≥30%	2.23 (1.15–3.91)	0.035	2.62 (1.45–4.17)	0.022
Radiomics score	NA	NA	5.42 (2.65–8.21)	<0.001

TNBC, triple negative breast cancer.