Table 2. Multivariate logistic regression analysis evaluating the risk factors for short-term recurrence.

variable		OR	95% CI	p-value
Gender		1.774	0.982–3.204	0.057
Chief complain		0.577	0.219–1.521	0.267
Size		1.751	1.070–2.866	0.026
Number of lesions	single	1.000(Ref)	Ref	Ref
	2–7	1.715	0.989–2.974	0.055
	> = 8	3.035	1.537–5.995	0.001
Grade	0	0	0	0
	1	1.000(Ref)	Ref	Ref
	2	1.326	0.615–2.859	0.472
	3	2.870	1.223–6.730	0.015
Chemotherapeutic agents		1.835	1.094–3.080	0.021

OR: odds ratio; CI: confidence interval