Table 1. Characteristic of the studies focusing on ultrasonography and detection of non-recurrent inferior laryngeal nerve.
| Author | Year | Patients included (n) | NRLN incidence (%) | Preoperative ultrasonography | Ultrasonography (n) |
|---|---|---|---|---|---|
| Devèze (9) | 2003 | Not available | 0.52 | No | 12 |
| Huang (13) | 2010 | 2,330 | 0.47 | Yes | 2,330 |
| Tartaglia (14) | 2011 | 2,713 | 0.6 | No | 15 |
| Yetisir (15) | 2012 | 332 | 1.94 | Yes | 332 |
| Satoh (16) | 2013 | 1,561 | 0.71 | Yes | 140 |
| Wang (17) | 2014 | 7,169 | 0.4 | Yes | 5 |
| Yang (18) | 2014 | 2,251 | 1.24 | No | 28 |
| Iacobone (19) | 2015 | 1,477 | 1.42 | Yes | 878 |
NRLN, non-recurrent laryngeal nerve.