TABLE 3.

Multivariate Cox Analysis for Recurrence-Free Survival and Distant Metastasis-Free Survival Outcome

Variable	Recurrence-free survival		Distant metastasis-free survival
	HR (95% CI)	P Value	HR (95% CI)	P Value
Pathologic size of invasiveness	1.02 (0.98, 1.06)	0.30	1.03 (0.97, 1.08)	0.29
Surgery method		0.01		0.24
Breast conserving surgery	1		1
Total mastectomy	5.49 (1.38, 21.90)		2.61 (0.52, 13.02)
Ki-67 levela		0.002		0.04
Low	1		1
High	5.95 (1.88, 18.79)		3.57 (1.02, 12.41)
Radiation therapy		0.62		0.45
No	1		1
Yes	1.40 (0.36, 5.45)		0.54 (0.11, 2.69)

HR, hazard ratio; CI, confidence interval.

^aLow; < 14, High; ≥ 14.