Table 3.

Multivariate analysis according to tumor size

	Beta	P	OR	95% CI
				Lower	Upper
0–19 (mm)	1.03	0.01	2.79	1.26	6.19
20–29 (mm)	0.88	0.02	2.40	1.15	5.02
30–39 (mm)	—	—	Ref	—	—
40–49 (mm)	0.35	0.38	1.42	0.64	3.13
50–59 (mm)	0.28	0.52	1.32	0.57	3.09
60‐ (mm)	1.58	0.00	4.83	2.52	9.27