Table 2.

Comparison between the mean of various quantitative variables in the right and left sides based on the Keros classification

Variable	Side	Type I	Type II	Type III	P-value
		Mean ± SD	Mean ± SD	Mean ± SD
Middle turbinate length	Right	24.9 ± 3.6	3.6 ± 3.8	25.8 ± 3.6	0.15
	Left	24.7 ± 3.7	26.5 ± 4.4	24.8 ± 3.2	0.07
Anterior and posterior ethmoid roof height	Right	65.3 ± 4.5	65.7 ± 4.7	67.5 ± 2.2	0.49
	Left	65.2 ± 4.2	65.9 ± 3.6	64.1 ± 3.7	0.22
Posterior ethmoid roof height	Right	53.3 ± 5.1	56.9 ± 4.6	58.2 ± 3.01	< 001
	Left	54.1 ± 5.7	56.9 ± 5.2	56.6 ± 4.4	0.04
Distance between the ethmoid roof and nasal floor	Right	49.5 ± 6.3	52.9 ± 3.9	55.3 ± 5.1	0.001
	Left	49.6 ± 4.8	51.7 ± 9.5	53.3 ± 4.4	0.004
Lateral lamella length	Right	2.9 ± 1.2	5.5 ± 1.2	8.6 ± 0.7	< 0.001
	Left	3.3 ± 1	5.5 ± 1.2	8.5 ± 1.4	< 0.001
Maximal vertical orbital height	Right	39.3 ± 3.7	39.9 ± 2.8	41.3 ± 2.2	0.27
	Left	40.30 ± 2.6	39.9 ± 2.4	39.5 ± 2.5	0.62
Distance between cribriform plate with the attachment point of inferior turbinate to sinus medial wall	Right	26.3 ± 3.1	27.3 ± 3.1	26.5 ± 4.3	0.26
	Left	26.4 ± 2.8	27.4 ± 2.9	26.8 ± 3.3	0.30
Lateral lamella angulation	Right	58.4 ± 1.7	72.4 ± 7.5	79.9 ± 3.6	< 0.001
	Left	56.2 ± 14.2	71.9 ± 8.5	68.3 ± 12.5	< 0.001