Breast-Conserving Surgery in Triple-Negative Breast Cancer: A Retrospective Cohort Study

Table 4

The long-term prognosis of the two groups (n, %).

Group	Number of cases	Local recurrence rate	Distant metastasis rate	Overall survival rate
Exposure group	46	8 (17.4)	9 (19.6)	34 (73.9)
Nonexposure group	80	15 (18.8)	18 (22.5)	56 (70.0)
χ ^2		0.036	0.149	0.219
		0.849	0.699	0.640