Table 1. Demographic characteristics of patients.

Variables	Female			Male			Total		p
	n	%	Mean±SD	n	%	Mean±SD	n	%
Age (year)			12.5±2.7			15.2±1.7	31	100	0.036*
Body mass index			0.17±0.0			0.19±0.0	31	100	0.175
Airway disease									0.397
Restrictive	1	100		4	66.7		5	71.4
Obstructive	-	-		2	33.3		2	28.6
Family history									0.015*
Yes	3	75.0		4	14.8
No	1	25.0		23	85.2
Haller Index									0.752
Group 1	1	25.0		5	18.5
Group 2	2	50.0		10	37.1
Group 3	1	25.0		12	44.4
SD: Standard deviation; Mann-Whitney U test p value; statistical significance, * p<0.05; There is a statistically significant difference between the groups.