Table 3 Meta-analysis of the overall incidence of RLN palsy
Study | Total thyroidectomy | Subtotal thyroidectomy | Relative risk | 95% CI | Z | p value |
|---|---|---|---|---|---|---|
Barczynski et al. 2010 [3] | 25/200 | 10/200 | 2.50 | 1.23 to 5.07 | ||
Pappalardo et al. 1998 [5] | 2/69 | 3/72 | 0.70 | 0.12 to 4.04 | ||
Tezelman et al. 2009 [7] | 32/1211 | 39/1695 | 1.15 | 0.72 to 1.82 | ||
Vaiman et al. 2008 p[8] | 161/3834 | 54/2238 | 1.74 | 1.28 to 2.36 | ||
Yang et al. 2009 [4] | 3/165 | 3/181 | 1.10 | 0.23 to 5.36 | ||
Total (fixed effects) | 223/5479 | 109/4386 | 1.60 | 1.27 to 2.02 | 3.955 | < 0.001 |
Total (random effects) | 223/5479 | 109/4386 | 1.56 | 1.16 to 2.10 | 2.945 | 0.003 |
Test for heterogeneity | ||||||
Q | 4.887 | |||||
DF | 4 | |||||
p value | 0.299 | |||||
I2 (inconsistency) | 18.14% | |||||
95% CI for I2 | 0.00 to 83.97 | |||||