Table 3. Comparison of airway diseases with Haller Index.

Measurement	Mean±SD	Median	Min-Max	Test	p	Eta (η)
Haller Index				13.737	0.001*	0.646
Restrictive airway disease	4.2±0.2	4.2	4-4.4		(1-2 p=0.095,
Obstructive airway disease	3.3±0.1	3.25	3.2-3.3		1-3 p=0.001*,
Respiratory functions normal	2.8±0.4	2.8	2.2-3.7		2-3 p=0.185)
SD: Standard deviation; Mann-Whitney U test; * p<0.05.