“…Of 43 records screened for full-text eligibility, 27 studies were excluded based on the following reasons: nine articles were not using breast cancer specific population, nine articles lacked data pertaining to the outcomes, five articles lacked data pertaining to the variable of interest, and four articles were omitted as they were review articles. Ultimately, the remaining 16 articles [ [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] ] with a total of 7457 breast cancer patients were included in the final analysis ( Fig. 1 ).…”