Operation
was not performed
by the authors 		Exact time of diagnosis
was not indicated
for each patient 		Postoperative neurosensory
examination performed
by single examiner 		Low number of
patients 		Sex scission
Khawaja et al. [5] - - - + +
Renton et al. [12] + - + - -
Biassiota et al. [19] + + - - -
Deppe et al. [31] + - - + -
Kubilius et al. [32] - + Not mentioned - -
Juodzbalys et al. [33] + + Not mentioned - -