Table 5 A meta-analysis of the incidence of temporary RLN palsy

Barczynski et al. 2010 [3]

21/200

8/200

2.625

1.19 to 5.79

Pappalardo et al. 1998 [5]

2/69

2/72

1.043

0.15 to 7.20

Tezelman et al. 2009 [7]

20/1211

28/1695

1.000

0.57 to 1.77

Vaiman et al. 2008 [8]

107/3834

27/2238

2.313

1.52 to 3.52

Yang et al. 2009 [4]

3/165

3/181

1.097

0.23 to 5.36

Total (fixed effects)

153/5479

68/4386

1.828

1.36 to 2.46

3.991

 < 0.001

Total (random effects)

153/5479

68/4386

1.681

1.05 to 2.70

2.151

0.031

Test for heterogeneity

 Q

7.060

 DF

4

 p value

0.133

 I² (inconsistency)

43.34%

 95% CI for I²

0.00 to 79.19