Table 2.

Details of studies included in pooled analysis comparing re-excision rate between radio-frequency identification (RFID) tag localisation and wire-guided localisation (WGL). (Chi-squared test, p = 0.9954).

References	Author	Year of Publication	Number of Patients with Breast Cancer Undergoing RFID Tag Localisation	Number of Patients with Breast Cancer Undergoing RFID Tag Localisation Requiring Re-Excision (Re-Excision Rate)	Number of Patients with Breast Cancer Undergoing WGL	Number of Patients Undergoing WGL Requiring Re-Excision (Re-Excision Rate)
[16]	Lee	2020	33	2 (6.1%)	50	5 (10%)
[17]	McGugin	2019	95	18 (18.9%)	232	39 (16.8)
Total			128	20 (15.6%) 95% CI: 11.57–20.37	282	44 (15.6%) 95% CI: 9.81–23.10