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Table 1 Patient characteristics

From: Tonsillar cytokine expression between patients with tonsillar hypertrophy and recurrent tonsillitis

Characteristics Tonsillar hypertrophy
n = 47
Recurrent tonsillitis
n = 42
P value
Age, years (range) 8 (2, 46) 20 (7, 60) 0.0001
Male 27 (57%) 23 (55%) 0.80
Tonsillectomy and adenotomy 28 (60%) 5 (12%) 0.0001
Self-reported allergy 20/43 (47%) 23/40 (58%) 0.32
 Food 6/43 (14%) 3/39 (8%) 0.38
 Drug 4/43 (9%) 4/39 (10%) 0.87
 Seasonal, i.e. pollen 0/43 (0%) 7/39 (18%) 0.004
 Perennial, i.e. animal or house dust mite 3/43 (7%) 2/39 (5%) 0.74
 Other 2/43 (5%) 2/39 (5%) 0.90
 Multiple 5/43 (12%) 4/39 (10%) 0.86
Physician-diagnosed atopic dermatitis 11/44 (25%) 4/38 (11%) 0.09
Self-reported allergic rhinitis 11/44 (25%) 11/39 (28%) 0.74
Physician-diagnosed asthma 6/42 (14%) 6/39 (15%) 0.89
Self-smoking 2/43 (5%) 14/40 (35%) 0.0005
Maternal smoking 15/44 (34%) 13/41 (32%) 0.82
Paternal smoking 16/41 (39%) 19/36 (53%) 0.23
Season of the surgery    0.85
 Winter (months 12–2) 7 (15%) 4 (10%)  
 Spring (months 3–5) 14 (30%) 13 (31%)  
 Summer (months 6–8) 8 (17%) 5 (12%)  
 Fall (months 9–11) 18 (38%) 20 (48%)  
Respiratory symptoms
 The operation day 6/39 (15%) 7/38 (18%) 0.72
 Within 2 weeks 16/42 (38%) 12/37 (32%) 0.60
 Within 4 weeks 23/42 (55%) 18/37 (48%) 0.59
One month prior the operation
 Throat pain 8/39 (21%) 14/35 (40%) 0.0005
 Rhinitis 23/39 (59%) 6/35 (17%) 0.0002
 Cough 15/39 (38%) 5/36 (14%) 0.02
 Acute otitis media 2/39 (5%) 0/35 (0%) 0.17
 Wheezing 2/39 (5%) 0/35 (0%) 0.17
25(OH)D level
 Total (nmol/l) 56.2 (41.7, 66.9) 45.7 (34.4, 72.3) 0.08
 Free (pg/ml) 6.4 (4.9, 8.1) 5.0 (3.3, 8.8) 0.14
 Bioavailable (ng/ml) 2.2 (1.7, 2.9) 1.6 (1.1, 2.7) 0.01
  1. Values are shown as median (interquartile range, except age) or number of subjects (%). Data were analysed by Mann–Whitney U test, Chi square test, or Fisher’s Exact test
  2. Significant values are shown in italic