| | Study | Number of patients | Number of metastasis | Number of deaths |
| | Abramson, et al. 2016 | 60 | 0 | 1 | | Akyüz, et al. 2015 | 46 | 2 | 2 | | Chen, et al. 2017 | 73 | 0 | 0 | | Chen, et al. 2016 | 10 | 0 | NA | | Francis, et al. 2018 | 300 | 5 | 6 | | Funes, et al. 2018 | 81 | 0 | 2 | | Ghassemi, et al. 2014 | 24 | 0 | 0 | | Gobin, et al. 2011 | 78 | 2 | 0 | | Hua, et al. 2018 | 62 | 0 | 0 | | Kiratli, et al. 2018 | 28 | NA | 0 | | Leal-Leal, et al. 2016 | 11 | 0 | 0 | | Li, et al. 2021 | 71 | NA | NA | | Liu, et al. 2020 | 14 | 0 | 0 | | Marr, et al. 2012 | 25 | 0 | NA | | Michaels, et al. 2016 | 17 | 0 | 0 | | Muen, et al. 2012 | 14 | 0 | 0 | | Munier, et al. 2011 | 13 | 0 | 0 | | Munier, et al. 2017 | 25 | 0 | 0 | | Ong, et al. 2015 | 12 | 3 | 2 | | Oporto, et al. 2021 | 29 | 0 | 0 | | Parareda, et al. 2014 | 11 | NA | NA | | Peterson, et al. 2011 | 15 | 0 | 0 | | Reddy, et al. 2017 | 9 | 0 | 0 | | Rishi, et al. 2017 | 10 | 0 | 0 | | Rishi, et al. 2020 | 15 | 0 | 0 | | Rojanaporn, et al. 2019 | 26 | 1 | 1 | | Shields, et al. 2014 | 67 | 0 | 0 | | Shields, et al. 2021 | 313 | 0 | 0 | | Suzuki, et al. 2011 | 343 | 8 | 12 | | Taich, et al. 2014 | 26 | 0 | 0 | | Thampi, et al. 2013 | 16 | 0 | 0 | | Tuncer, et al. 2016 | 22 | 0 | 0 | | Venturi, et al. 2013 | 34 | 0 | 0 | | Total (event) | | 21 | 26 | | Total (patients) | | 1793 | 1783 | | Rate | | 1.1% | 1.5% |
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