Table 2.
Unilateral and bilateral surgical procedures for patients with CRSwNP (n=363)
| Procedures: | Left side N (%) | Right side N(%) |
|---|---|---|
| Maxillary antrostomy | 337 (93%) | 330 (91%) |
| Partial ethmoidectomy | 18 (5%) | 20 (6%) |
| Total ethmoidectomy | 338 (93%) | 332 (92%) |
| Sphenoidotomy | 301 (83%) | 296 (82%) |
| Middle turbinate resection | 92 (25%) | 103 (28%) |
| Inferior turbinate reduction | 38 (11%) | 38 (11%) |
| Septoplasty | 107 (30%) | |
| Frontal sinusotomy Draf 1 | 112 (31%) | 110 (31%) |
| Frontal sinusotomy Draf 2a | 154 (42%) | 155 (43%) |
| Frontal sinusotomy Draf 2b | 27 (7%) | 29 (8%) |
| Frontal sinusotomy Draf 3 | 7 (2%) | |
| Image guidance | 303 (84%) | |
| Year of endoscopic sinus surgery: | ||
| 2004 | 19 (5%) | |
| 2005 | 26 (7%) | |
| 2006 | 64 (18%) | |
| 2007 | 39 (11%) | |
| 2008 | 29 (8%) | |
| 2009 | 9 (3%) | |
| 2011 | 24 (7%) | |
| 2012 | 66 (18%) | |
| 2013 | 50 (14%) | |
| 2014 | 36 (10%) | |
| 2015 | 1 (0.3%) | |
CRSwNP, chronic rhinosinusitis with nasal polyposis