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Table 1 Demographic and clinical characteristics at treatment initiation

From: Characteristics and management of sublingual allergen immunotherapy in children with allergic rhinitis and asthma induced by house dust mite allergens

 

Total

 

(n = 736)

 

n

%

Gender

  

 Male

470

63.9%

 Female

265

36.1%

Age (years)

  

 Mean (±SD)

10.0 ± 3.14

 

 5-11 (children)

497

67.5%

 12-17 (adolescents)

239

32.5%

Patients with polysensitisation*

375

62.3%

Pathology of respiratory allergy

  

 Rhinitis alone

265

36.0%

 Rhinitis + asthma

438

59.5%

 Asthma alone

33

4.5%

Allergic rhinitis (with or without asthma)

  

Disease duration (years)

  

n

703

95.5%

Mean (±SD)

3.57 ± 2.43

 

Severity (ARIA)**

  

Mild intermittent

57

8.1%

Moderate or severe intermittent

56

8.0%

Mild persistent

148

21.1%

Moderate or severe persistent

440

62.8%

Allergic asthma (with or without rhinitis)

  

Disease duration (years)

  

n

471

64.0%

Mean (±SD)

3.82 ± 2.91

 

Severity (GINA 2004)**

  

Intermittent

213

45.4%

Mild persistent

163

34.8%

Moderate persistent

84

17.9%

Severe persistent

9

1.9%

Symptoms

  

Rhinitis (with or without asthma)

  

Rhinorrhoea

625

89.4%

Sneezing

576

82.5%

Nasal obstruction

575

82.3%

Nasal pruritus

428

61.7%

Anosmia

13

1.9%

Asthma (with or without rhinitis)

  

Cough

322

68.7%

Wheezing

245

52.1%

Difficult breathing

157

33.6%

Chest tightness

103

22.1%

Rhinitis and/or asthma

  

Ocular pruritus

188

25.7%

Teary eyes

131

17.9%

Other

84

11.7%

  1. Categorical variables are presented as the number and percentage of patients relative to the total population with non-missing data.
  2. *Positive skin test to house dust mites and at least one other allergen, calculated as percentage of patients having at least one skin test.
  3. **Missing data, n = 2 each.