Table 3.

Univariate and multivariate analyses of disease-free survival for breast cancer

Variables	Item	Univariate			Multivariate
		Hazard rate ratio	95% CI	P	Hazard rate ratio	95% CI	P
Stage	III/IV	5.33	2.25–12.62	<0.001	6.08	1.83–20.18	0.003
	I/II	1.00			1.00
Grade	III	1.38	0.55–3.42	0.491	1.10	0.39–3.05	0.862
	I/II	1.00			1.00
Age, y	50	4.27	1.56–11.66	0.005	2.19	0.73–6.56	0.163
	≤50	1.00			1.00
BMI, kg/m²	<24	1.79	0.76–4.22	0.183	1.54	0.59–4.04	0.377
	≥24	1.00			1.00
ER	Negative	2.45	1.04–5.77	0.041	0.69	0.12–3.94	0.674
	Positive	1.00			1.00
PR	Negative	1.99	0.84–4.72	0.120	3.76	0.74–19.15	0.111
	Positive	1.00			1.00
Her2/neu	Positive	0.70	0.27–1.80	0.455	0.64	0.22–1.87	0.413
	Negative	1.00			1.00
Radiotherapy	Yes	0.69	0.29–1.62	0.393	1.03	0.37–2.92	0.951
	No	1.00			1.00
Chemotherapy	Yes	1.45	0.43–4.91	0.555	0.88	0.23–3.41	0.848
	No	1.00			1.00
Hormone therapy	Yes	0.18	0.07–0.47	<0.001	0.44	0.11–1.76	0.247
	No	1.00			1.00
Visfatin	High	5.73	1.92–17.14	0.002	4.11	1.15–14.70	0.030
	Low	1.00			1.00