Authors Number of patients
(n = 157)		 Time of diagnosis Outcome
Khawaja et al.a [5] 4 patients When anaesthetic effect wore off 2 patients - markedly improved sensation
2 patients - no improvements in sensation
(significant altered sensation)
Renton et al.b [12] 2 patients < 24 h Full recovery
1 patient < 48 h Full recovery
1 patient < 72 h No recovery
2 patients 6 days No recovery
1 patient 12 days No recovery
6 patients 6 months No recovery
7 patients 7 - 12 months No recovery
10 patients > 12 months No recovery
Biasiotta et al.b [19] 37 patients 2 months - 9 years Not mentioned
Deppe et al.a [31] 2 patients Immediately following operation Full recovery
Kubilius et al.a [32] 68 patients 2 - 48 hours 65 patients - full recovery
3 patients - no recovery
Juodzbalys et al.b [33] 16 patients 10 - 52 h 5 patients - full recovery of function
5 patients - almost full recovery of function
6 patients - not full recovery of function

aFirst type articles.
bSecond type articles.