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. 2021 Aug 18;12(8):584–603. doi: 10.5312/wjo.v12.i8.584

Table 8.

Complication grades according to Smith

Ref.
Total No. of complications
Related to disease
Related to device
Complication grade I
Complication grade II
Complication grade III
Complication grade IV
Complication grade I
Complication grade IIA
Complication grade IIB
Complication grade III
Complication grade IV
Ramirez et al[20], 2020 92 8 8 17 4 4
Murphy et al[28], 2016 57 5 6 2 1 13 8 3 4
Studer et al[40], 2019 12 2 7
Miękisiak et al[45], 2019 57 32 17 8 0