Pneumatization of the sphenoid sinus is the major factor determining the variations of adjacent vital structures

The Egyptian Journal of Otolaryngology

Table 4 Spearman correlation analysis of sphenoid sinus variations and adjacent structures

		RVC type	ROC type	RCC type	LVC type	LOC type	LCC type
RSSS type	Spearman’s rho	−0.230	0.073	0.311	−0.240	0.050	0.320
RSSS type	p	0.000	0.236	0.000	0.000	0.419	0.000
RSSC type	Spearman’s rho	0.324	−0.024	−0.079	0.310	−0.036	−0.086
RSSC type	p	0.000	0.704	0.206	0.000	0.568	0.171
LSSS type	Spearman’s rho	−0.227	0.055	0.278	−0.246	0.032	0.287
LSSS type	p	0.000	0.379	0.000	0.000	0.614	0.000
LSSC type	Spearman’s rho	0.306	−0.008	−0.051	0.285	−0.023	−0.057
LSSC type	p	0.000	0.901	0.417	0.000	0.711	0.360

RSSS, right sphenoid sinus, sagittal plane, RSSC, right sphenoid sinus, coronal plane, RVC, right Vidian canal, ROC, right optic canal, RCC, right carotid canal, LSSS, left sphenoid sinus, sagittal plane, LSSC, left sphenoid sinus, coronal plane, LVC, left Vidian canal, LOC, left optic canal, LCC, left carotid canal