Table 2. Results of multivariate analysis.

	B	SE	P	OR	95% CI for OR
					Lower	Upper
Sex	0.571	0.884	0.519	1.769	0.313	10.008
Age	0.001	0.024	0.952	1.001	0.956	1.049
T2			0.131
T3	0.749	0.581	0.197	2.115	0.677	6.600
T4	1.154	0.572	0.044	3.171	1.033	9.740
High differentiation			0.051
P1	1.935	0.793	0.015	6.922	1.462	32.775
P2	1.750	0.906	0.054	5.752	0.974	33.972
Constant	–3.874	2.008	0.054	0.021

SE, standard error; OR, odds ratio; 95% CI, 95% confidence interval; B, regression coefficient; P, sig.