Figure 2

Distribution of PARP1 expression in the two groups. PARP1’s median immunohistochemical score for distant metastases after BC was 9.0, and the quarter distance was 4.0 (9, 12); the median immunohistochemical score of PARP1 in the group without metastasis after BC surgery was 4.0, and the interquartile interval was 3.5 (2.5, 6).