Table II.

Incidence of transient and permanent RLN injuries.

Author	Transient injuries (%)		Permanent injuries (%)
	With IONM	Without IONM	With IONM	Without IONM
Atallah et al. 2009 (8)	8.8	9.1	3.9	3.8
Barczyń ski et al. 2009 (9)	1.9	3.8	0.8	1.2
Brauckhoff et al. 2002 (10)	1.89	4.55	0.0	2.27
Chan et al. 2006 (11)	3.4	4.0	0.8	1.2
Dionigi et al. 2009 (12)	2.7	8.3	0.0	0.0
Robertson et al. 2004 (13)	3.45	4.24	0.86	2.54
Shindo & Chheda 2007 (14)	2.09	2.96	1.64	1.61
Yarbrough et al. 2004 (15)	15.4	11.9	3.8	5.1