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Table 1 Selected characteristics of studies in the meta-analysis

From: The role of postmastectomy radiation in patients with ypN0 breast cancer after neoadjuvant chemotherapy: a meta-analysis

Study Country Year No. of patients Patholo-gical stage Type of surgery NAC Outcome Median follow up (Months)
Huang American 2004 676 II -IV Mastectomy A/T,VACP LRR, 69
McGuire American 2007 106 I-III Mastectomy A/T LRR, OS 62
Scodan France 2010 134 II-III Mastectomy A/T LRR, DFS, OS 91
Nagar American 2011 162 II Mastectomy A/T LRR 75
Bae Korean 2012 98 0- III Mastectomy NR LRR, DFS, OS 42
Shim Korea 2013 151 II-III Mastectomy A/T LRR, OS, DFS 59
Liu American 2015 1560 II -III Mastectomy NR OS 56
Rusthove-n American 2016 3040 II -III Mastectomy NR OS 41
Kantor American 2016 8321 I-III Mastectomy NR OS 69
Qinlin China 2017 185 II - III Mastectomy A/T LRR, DFS, OS 70
Cao China 2017 88 I-III Mastectomy A/T LRR, DFS, OS 67
Miyashita Japan 2019 3226 I-III Mastectomy NR LRR, DDFS, OS >  60
  1. Abbreviations: NAC Neoadjuvant chemotherapy, A Anthracycline-based chemotherapy, A/T Anthracycline- or taxane- based chemotherapy, NR No report, LRR Local-regional recurrence, DFS Ddisease-free survival, OS Overall survival