Table 4. Laboratory evaluation of the study groups
	Asthma	COPD	ACO	p
Positive prick test (n, %)	97 (58.1%)	6 (23.1%)	16 (61.5%)	0.003
Total IgE level (kU/L)	221.2 ± 367	185.5 ± 301	268.4 ± 304	>0.05
Eosinophil count (count per mm3)	302.7 ± 350	190.7 ± 133	322.3 ± 315	>0.05
Eosinophil (%)	3.9 ± 5.1	2.1 ± 1.5	3.7 ± 4.4	0.027
FEV1 (L)	2.19 ± 0.69	1.53 ± 0.66	1.36 ± 0.63	<0.001
FEV1 (%)	86.4 ± 21.4	54.5 ± 20.6	49.5 ± 17.39	<0.001
FEV1/FVC	74.6 ± 8.9	54 ± 11.5	52.8 ± 10.8	<0.001
Inspiratory capacity	2.5 ± 0.85	2.31 ± 0.93	2.36 ± 0.81	>0.05
FRC (L)	2.47 ± 0.92	4.2 ± 1.7	4.46 ± 1.4	<0.001
FRC (%)	86.32 ± 22.4	141.4 ± 42	138 ± 36	<0.001
TLC (L)	5.4 ± 1.12	7 ± 1.3	6.9 ± 1.3	<0.001
TLC (%)	107.6 ± 18.5	112.8 ± 21.34	113.9 ± 16.5	>0.05
Post bronchodilator FEV1 (L)	2.3 ± 0.7	1.6 ± 0.7	1.6 ± 0.6	<0.001
Post bronchodilator FEV1 (%)	92.6 ± 20.22	57.07 ± 22	59.2 ± 18.2	<0.001
Post bronchodilator FEV1/FVC	77.5 ± 8.7	54.7 ± 12.9	54.9 ± 10.5	<0.001
FEV1 reversibility (L)	159.5 ± 143	86.2 ± 77.9	293.2 ± 168	<0.001
FEV1 reversibility (%)	7.6 ± 6.9	5.04 ± 3.76	22.18 ± 11.2	<0.001
PaO2 (mm Hg)	95.9 ± 3.7	92.08 ± 4.6	93.1 ± 5.3	<0.001
PaCO2 (mm Hg)	36.3 ± 3.4	40.4 ± 6.6	40.5 ± 10.1	<0.001
6-minute walk distance (m)	439 ± 122.6	401 ± 151	439 ± 121	>0.05