Table 3. Recurrent laryngeal nerve or vocal cord injuries in the total thyroidectomy with and without central neck dissection.
| Author | No of patients |
Transient vocal cord palsy (%) |
P-value | Permanent vocal cord palsy (%) |
P-value | ||||
|---|---|---|---|---|---|---|---|---|---|
| TT + CND | TT alone | TT + CND | TT alone | TT + CND | TT alone | ||||
| So et al. 2012 (20) | 119 | 113 | 3.4 | 3.5 | 0.941 | 0.8 | 1.8 | 0.531 | |
| Giordano et al. 2012 (47) | 385 (unilateral), 308 (bilateral) | 394 | 3.9 (unilateral), 5.5 (bilateral) | 3.6 | 0.404 | 0.5 (unilateral), 2.3 (bilateral) | 1.0 | 0.099 | |
| Lang et al. 2011 (21) | 82 | 103 | 1.8 | 0.0 | 0.324 | 0.6 | 0.5 | 0.443 | |
| Shindo et al. 2010 (45) | 122 | 134 | 0.0 | 4.5 | 0.03 | 0.0 | 0.0 | – | |
| Sadowski et al. 2009 (50) | 169 | 130 | 8.9 | 4.6 | 0.18 | 2.4 | 3.1 | 1.0 | |
| Palestini et al. 2008 (46) | 93 | 148 | 5.4 | 1.4 | 0.059 | 0.0 | 1.4 | 0.344 | |
| Roh et al. 2007 (16) | 82 | 73 | 7.3 | 4.1 | 0.394 | 3.6 | 2.7 | 0.747 | |
| Sywak et al. 2006 (26) | 56 | 391 | 1.8 | 1.0 | 0.62 | 0.0 | 1.0 | 0.45 | |
Abbreviations: TT, total thyroidectomy; CND, central neck dissection.