Table 1.

- Comparisons of ethmoid infundibulum and natural ostium dimensions between left and right sides.

Dimensions	EI width (mm)	EI length (mm)	MSNO (mm)
	Mean±SD
Right side (n=100)	2.37±0.60	7.87±1.52	3.11±0.76
Left side (n=100)	2.29±0.53	8.34±1.50	3.13±0.74
Gap between sides	0.072±0.67	0.47±1.38	0.03±0.7
P-value	0.288	0.01*	0.723

EI: ethmoid infundibulum, MSNO: maxillary sinus natural ostium SD: Standard deviation.