Case Control Study
Copyright ©The Author(s) 2015.
World J Clin Cases. Mar 16, 2015; 3(3): 310-317
Published online Mar 16, 2015. doi: 10.12998/wjcc.v3.i3.310
Table 1 Summary of procedures
Procedure (including revision surgery)Endoscopic assisted
Non-endoscopic assisted
Group AGroup B
Ventilation Tube insertion12
Myringoplasty, tympanoplasty, ossiculoplasty, Tympanotomy1010
CSOM and cholesteotoma surgery1510
Stapedectomy119
Petrosectomy11
Total3832