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Table 3 Mean air bone gap (ABG) gain after stapedotomy in different studies

From: Experience in endoscopic stapedotomy technique and its audiological outcome: a case series

Author

Country-year

Number of stapes surgeries studied and technique: microscopic or endoscopic

Average ABG gain in dB

Sarkar et al. [17]

India, 2013

32, endoscopic

31.4

Lin and Selesnick [18]

USA, 2016

79, microscopic

21.21

Alzharani et al. [19]

KSA, 2017

45, microscopic

17

Elzayat et al. [20]

Egypt, 2017

80, microscopic

23.48

Xie et al. [21]

China, 2019

28, microscopic

23.4

Current study

Sudan, 2021

74, endoscopic

23.3