Table 6.

Multivariate analysis of hazard ratio according to clinicopathological factors and PTCH1 mutation in patients with breast cancer (n = 44).

	Hazard radio	95% Confidence interval	p-value
Age at surgery (years)	0.973	0.925–1.023	0.280
Nodal stage*			0.007**
N0	1
N1	0.793	0.274–2.295	0.669
N2	0.589	0.147–2.360	0.455
N3	7.799	1.940–31.353	0.004**
PTCH1 gene			0.010**
Wild-type PTCH1	1
Mutated PTCH1	3.453	1.344–8.870

^*According to American Joint Committee on Cancer tumor-node-metastasis (TNM) staging system, 7^th ed. ^**p-value less than 0.05.