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Table 1 Baseline characteristics per cohort

From: Clinical response to varying pollen exposure in allergic rhinitis in children in The Netherlands

 

2013 (n = 51)

2014 (n = 99)

P-value

Sex (boys), N (%)

24 (47.1)

54 (54.5)

0.385

Age (years), mean (SD)

11.85 (0.54)

11.57 (0.31)

0.634

Asthma, N (%)

8 (15.7)

15 (15.1)

0.931

 Grass sensitisation, N (%)

51 (100)

99 (100)

0.471

 Birch sensitisation, N (%)

29 (56.9)

60 (60.6)

0.658

 HDM sensitisation, N (%)

26 (51.0)

49 (49.5)

0.863

 Monosensitisation, N (%)

11 (21.6)

24 (24.2)

0.712

Current use of secondary care for AR, N (%)

2 (3.9)

12 (12.1)

0.127

 Grass sensitisation class > 2, N (%)

38 (74.5)

59 (59.6)

0.043

 Birch sensitisation class > 2, N (%)

29 (56.9)

62 (62.7)

0.367

Retrospective symptom score, mean (SD)

12.31 (3.10)

11.93 (3.18)

0.477

Baseline symptom score

11.47 (4.10)

10.34 (4.30)

0.319