Table 5.
Assessment of the risk of CRS development among male participants, according to anatomical variations and mucosal thickening of the sinonasal regions.
| Anatomical variations in the sinonasal region | Mucosal thickening among men | OR | 95% CI | ||
|---|---|---|---|---|---|
| Present | Absent | ||||
| Accessory septa within the sphenoidal sinus | Cases | 37 | 20 | 1.170∗ | 0.617–2.219 | 
| Controls | 87 | 55 | |||
| ICA protrusion | Cases | 101 | 27 | 1.540∗ | 0.794–2.987 | 
| Controls | 51 | 21 | |||
| ICA dehiscence | Cases | 104 | 22 | 1.410∗ | 0.693–2.869 | 
| Controls | 57 | 17 | |||
| Optic nerve protrusion | Cases | 71 | 22 | 2.168∗ | 1.172–4.010 | 
| Controls | 64 | 43 | |||
| Optic nerve dehiscence | Cases | 47 | 29 | 1.132∗ | 0.631–2.032 | 
| Controls | 73 | 51 | |||
| ACP pneumatisation | Cases | 94 | 35 | 1.749∗ | 0.946–3.232 | 
| Controls | 43 | 28 | |||
CT images obtained from a Siemens AG Somatom scanner were used to assess anatomical variation. Odds ratios (OR) and 95% confidence intervals (95% CI) were calculated. ∗Odds ratio >1 was considered to indicate risk. Abbreviations: ICA, internal carotid artery; ACP, anterior clinoid process; cases, patients with chronic rhinosinusitis; controls, healthy individuals without chronic rhinosinusitis.