Table 1.

Seroprevalence of Toxocara canis in children with asthma

Characteristics	N	Positive n (%)	Negative n (%)	χ 2	Odds ratio
Gender
Girls	66	14	52	p = .1733	1.49 (0.63–3.58)
Boys	79	12	67
Age range
5–10	69	11	58	p = .7564
11–17	65	13	52
ND	11	2	9
Estates
Mexico City	113	20	93	p = .6899
Mexico State	18	3	15
Guerrero	4	1	3
Hidalgo	3	0	3
Michoacan	3	1	2
Puebla	1	0	1
Queretaro	1	0	1
Sinaloa	1	1	0
ND	1	0	1
Stool analysis
Faust	145	0	145
Eosinophils
Eosinophilia	36	7	29	p = .7848	1.143 (0.43–2.99)
Normal	109	19	90
ELISAa
L3TESb	145	2	143
Kit IgGc	145	9	136
Native IgGd	145	25	120
Native IgGe	145	26	119
GINAf
Mild intermittent	44	5	39	p = .5874
Mild persistent	48	11	37
Moderate persistent	49	10	39
Severe persistent	4	0	4
Mild intermittent and ACQg
Controlled	23	1	22	p = .1098
Partially controlled	15	2	13
Not controlled	6	2	4
Mild persistent and ACQ
Controlled	20	5	15	p = .2906
Partially controlled	17	5	12h
Not controlled	11	1	10
Moderate persistent and ACQ
Controlled	24	6	18	p = .9151
Partially controlled	12	0	12
Not controlled	13	4i	9
Severe persistent and ACQ
Controlled	1	0	1
Partially controlled	2	0	2
Not controlled	1	0	1

Abbreviations: ACQ, Asthma Control Questionnaire; ELISA, enzyme‐linked immunosorbent assay; IgG, enzyme‐linked immunosorbent assay.

^aEnzyme‐linked‐immunosorbent assay.

^b T. canis third‐stage larval antigens.

^cCommercial kit (IgG).

^dNative kit (sera without preadsorbed with Ascaris suum antigens).

^eNative kit (sera preadsorbed with Ascaris suum antigens).

^fGlobal Initiative for Asthma.

^gAsthma Control Questionnaire.

^hOne patient with L₃TES and without IgG.

ⁱOne patient with L₃TES and IgG.