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Table 1 Socio-demographic characteristics of the study population

From: The IgE response to Ascaris molecular components is associated with clinical indicators of asthma severity

  

Ascaris sensitization

 

Variables

All patients

Yes (n = 195)

No (n = 118)

p-value

Gender (male)

28.1 (23.0- 33.3)

36.9 (29.9 - 44.0)

13.6 (7.0 - 20.2)

<0.0001

Age (mean ± SD)

32.9 ± 16.9

35.96 ± 15.7

31.1 ± 17.3

0.01

Socio-economical strata*

    

1

62.3 (56.8 - 67.8)

67.7 (60.9-74.5)

53.4. (44.0-62.8)

 

2

31.6 (26.3 - 36.9)

29.2 (22.6-35.9)

35.6. (26.5-44.7)

<0.01

3

6.1(3.3 - 8.9)

3.1 (0.4-5.8)

11.0 (4.9-17.1)

 

Smoking habit

5.1 (2.5-7.7)

3.4 (0.6-5.2)

6.2 (4.3 - 16.1)

0.42

Co-habitation with a smoker

26.5 (21.5-31-6)

30.8 (24.0-37.5)

19.5 (11.9 – 27.1)

0.02

Current Ascaris infection

3.8 (1.7 – 6.0)

6.2 (2.5-9.8)

0 (0)

0.04

Antecedent of worm expulsion

62.3 (56.8 – 67.8)

66.7 (59.8 – 73.5)

55.1 (45.7 – 64.5)

0.04

Allergic rhinitis

85.6 (81.6 - 89.7)

87.2 (82.2 - 92.1)

83.1 (75.9 - 90.2)

0.31

Atopy (>1 positive SPT)

79.9 (74.4 – 85.4)

84.2 (77.8 – 90.6)

72.9 (62.9 – 83.0)

0.04

Sensitization to B. tropicalis

67.4 (62.1 72.8)

84.6 (79.3 - 90.0)

39.0 (29.8 - 48.2)

<0.0001

Sensitization to D. pteronyssinus

60.7 (55.1 - 66.3)

75.4 (69.1 – 81.7)

36.4 (27.3-45.6)

<0.0001

Total IgE ‡†

349.436 ± 1177.4

585.4 ± 1412.1

149.0 ± 201.3

<0.0001

Specific IgE to B. tropicalis †

2.37 ± 30.9

11.98 ± 34.99

0.13 ± 15.52

<0.0001

Specific IgE to D. pteronyssinus †

0.94 ± 34.6

4.04 ± 39.27

0.09 ± 21.12

<0.0001

  1. Frequency rates (%) for categorical variables are shown. Their 95% confident intervals are shown in parenthesis.
  2. *Trend analysis.
  3. ‡ Geometric mean (standard deviation of mean) are reported.
  4. †Comparison by Mann–Whitney U Test.