Table 1.

Socio-demographic characteristics of the study population.

Variables	All patients (n = 182)	FAO (n = 42)	RAO (n = 74)	NAO (n = 66)	p-value
Gender (male)	23.6	21.4	18.9	30.3	0.26
Age (mean ± SD)	33.7 ± 17.3	36.5 ± 17.5	39.4 ± 16.9	25.4 ± 14.3	<0.0001
Socio-economical strata					0.32
1	63.18	64.28	68.91	56.06
2	29.12	28.57	21.62	37.87
3	7.69	7.14	9.45	6.06
Smoking habit	2.74	2.38	4.05	1.51	0.64
Co-habitation with a smoker	25.27	33.33	25.67	19.69	0.26
Predicted baseline FEV1 (%)	71.87 ± 21.47	66.03 ± 12.29	56.63 ± 18.79	92.50 ± 8.67	<0.0001
Predicted baseline FEV1/FVC (%)	86.57 ± 15.44	88.04 ± 14.56	77.14 ± 15.41	96.5 ± 7.65	<0.0001
Episodes of severe dyspnea	66.48	69.04	71.62	59.09	0.27
Nocturnal awakenings	87.36	79.57	93.24	86.36	0.06
>4 ER visits int the last year	26.37	23.80	35.13	18.18	0.07
Hospitalizations in the last year	13.73	23.80	13.51	7.57	0.06
Bronchodilator responsiveness	12.63 ± 19.40	2.45 ± 6.90	27.95 ± 21.92	1.93 ± 5.29	<0.0001
Use of oral corticosteroids	30.81	26.31	35.71	28.12	0.50
Use of inhaled corticosteroids	30.81	26.31	35.71	28.12	0.5
Current Ascaris infection	4.39	4.76	5.40	3.03	0.81
Antecedent of worm expulsion	60.43	66.66	62.16	54.54	0.43
Allergic rinitis	84.61	88.69	83.78	83.33	0.80
Atopy (>1 positive SPT)	83.51	78.5	86.4	83.3	0.54
Sensitization to B. tropicalis	64.20	59.52	69.53	61.53	0.46
Sensitization to D. Pteronyssinus	69.88	64.28	76.81	66.15	0.27
Total IgE‡†	654.6695 ± 602.8	525.70 ± 979.54	826.76 ± 1767.43	543.78 ± 637.61	0.09
Specific IgE to B. Tropicalis†	19.52 ± 33.54	20.31 ± 30.39	19.42 ± 33.60	19.12 ± 35.79	0.6
Specific IgE to D. Pteronyssinus †	19.12 ± 36.61	11.02 ± 24.51	27.08 ± 44.70	15.36 ± 31.32	0.01
Specific IgE to A. lumbricoides†	3.82 ± 2.745	2.82 ± 6.51	4.29 ± 8.4	3.93 ± 9.41	0.07

^†Comparison by Krukal-Wallis test.

Frequency rates (%) for categorical variables are shown.

^‡Geometric mean (standard deviation of mean) are reported.