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Table 2 Nasopharyngeal and intratonsillar virus detection

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

Virus Nasopharynx P value Tonsil P value
Tonsillar hypertrophy
n = 47
Recurrent tonsillitis
n = 42
Tonsillar hypertrophy
n = 47
Recurrent tonsillitis
n = 42
Adenovirus 9 (19%) 2 (5%) 0.03 7 (15%) 2 (5%) 0.10
Bocavirus-1 12 (26%) 2 (5%) 0.005 7 (15%) 1 (2%) 0.03
Coronavirus 3 (6%) 0 (0%) 0.048 0 (0%) 0 (0%)
Enteroviruses 4 (9%) 4 (10%) 0.87 6 (13%) 4 (10%) 0.63
Influenza A or B virus 1 (2%) 0 (0%) 0.26 0 (0%) 0 (0%)
Metapneumovirus 0 (0%) 1 (2%) 0.29 1 (2%) 0 (0%) 0.26
Parainfluenza virus types 1-4 1 (2%) 1 (2%) 0.94 4 (9%) 1 (2%) 0.19
Respiratory syncytial virus 1 (2%) 0 (0%) 0.26 2 (4%) 0 (0%) 0.11
Rhinovirus species A, B or C 27 (57%) 14 (33%) 0.02 2 (4%) 2 (5%) 0.91
Number of positive viruses 37 (79%) 16 (38%) 0.0001 17 (36%) 8 (19%) 0.07
Positive for 1 virus 23 (49%) 10 (24%) 0.01 9 (19%) 7 (17%) 0.76
Positive for 2 viruses 8 (17%) 4 (10%) 0.30 5 (11%) 0 (0%) 0.01
Positive for 3 viruses 5 (11%) 2 (5%) 0.30 2 (4%) 1 (2%) 0.62
Positive for 4 viruses 1 (2%) 0 (0%) 0.26 1 (2%) 0 (0%) 0.26
Positive for ≥ 1 viruses 37 (79%) 16 (38%)   17 (36%) 8 (19%)  
Positive for ≥ 2 viruses 14 (30%) 6 (14%)   8 (17%) 1 (2%)  
Positive for ≥ 3 viruses 6 (13%) 2 (5%)   3 (7%) 1 (2%)  
Positive for ≥ 4 viruses 1 (2%) 0   1 (2%) 0  
  1. Values are shown as number of subjects (%). Data were analysed by Chi square test, or Fisher’s Exact test
  2. Significant values are shown in italic