Table 2.

Univariate (chi-square) and multivariate (logistic regression) analysis for clinicopathologic factors associated with late recurrence.

Variables	Univariate	Multivariate
	P value	OR 95 % CI P value
Age	0.759	0.99 0.95–1.04 0.724
Menopausal status	1.00	1.39 0.53–3.65 0.502
Tumor size (≤2 cm vs. >2 cm)	<0.001	2.82 1.47–5.44 0.0019
Lymph node involvement	<0.001	2.39 1.27–4.51 0.0070
Grade (I, II vs. III)	<0.001	3.77 1.79–7.94 <0.001
PR (<10 % vs. ≥10 %)	0.813	1.09 0.41–2.89 0.856
Chemotherapy	<0.001	1.68 0.92–3.06 0.088
Locoregional recurrence	0.005	4.88 1.96–12.2 <0.001

OR, odds ratio; CI, confidence interval; PR, progesterone receptor.