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Table 1 Patient characteristics

From: Rhinovirus species and tonsillar immune responses

CharacteristicsAll, n = 42RV-A, n = 16RV-B, n = 12RV-C, n = 14P value
Age, years9.3 (2.6, 40)9.1 (2.6, 17)13.3 (4.8, 36)8.5 (3.2, 40)0.38
Male23 (55%)11 (69%)2 (17%)10 (71%)0.0072
Tonsillectomy and adenotomy22 (52%)9 (56%)6 (50%)7 (50%)0.93
Self-smoking1/41 (2%)0 (0%)1 (8.3%)0/13 (0%)0.29
Maternal smoking16/41 (39%)6 (38%)4/11 (36%)6 (43%)1.0
Paternal smoking17/37 (46%)5/15 (33%)5/10 (50%)7/12 (58%)0.42
Season of the surgery
 Winter (months 12–2)4 (9.5%)0 (0%)3 (25%)1 (7.1%)0.057
 Spring (months 3–5)11 (26%)8 (50%)0 (0%)3 (21%)0.0096
 Summer (months 6–8)6 (14%)4 (25%)0 (0%)2 (14%)0.21
 Fall (months 9–11)21 (50%)4 (25%)9 (75%)8 (57%)0.030
Indication of the surgery
 Obstruction only18 (43%)5 (31%)6 (50%)7 (50%)0.49
 Recurrent tonsillitis only8 (19%)2 (13%)2 (17%)4 (29%)0.55
 Obstruction + tonsillitis7 (17%)3 (19%)2 (17%)2 (14%)1.0
 Other9 (21%)6 (38%)2 (17%)1 (7.1%)0.14
Respiratory symptoms on operation day13/39 (33%)10 (63%)1/10 (10%)2/13 (15%)0.0074
 Throat pain3/39 (7.7%)2 (13%)0/101/13 (7.7%)0.77
 Cough6/39 (15%)4 (25%)1/10 (10%)1/13 (7.7%)0.53
 Acute otitis media0/39 (0%)0 (0%)0/10 (0%)0/13 (0%)
 Wheezing0/39 (0%)0 (0%)0/10 (0%)0/13 (0%)
 Other1/39 (2.6%)1 (6.3%)0/10 (0%)0/13 (0%)1.0
Respiratory symptoms within 2 weeks18/34 (53%)10/15 (67%)4/8 (50%)4/11 (36%)0.34
Respiratory symptoms within 4 weeks22/34 (65%)11/15 (73%)5/8 (63%)6/11 (55%)0.66
Total 25-OHD (nmol/l)54 (45, 66)54 (48, 68)51 (38, 64)58 (41, 69)0.72
 Free7.2 (5.3, 8.2)7.0 (5.7, 10)6.5 (4.3, 7.9)7.3 (5.3, 8.5)0.69
 Bioavailable2.4 (1.9, 3.0)2.5 (2.0, 4.0)2.1 (1.6, 2.7)2.4 (1.8, 3.3)0.45
Self-reported allergy18 (43%)6 (38%)7 (58%)5 (36%)0.44
Physician-diagnosed atopic dermatitis7/41 (17%)1 (6.3%)4 (33%)2/13 (15%)0.19
Self-reported allergic rhinitis10/40 (25%)4 (25%)4/11 (36%)2/13 (15%)0.53
Physician-diagnosed asthma8/40 (20%)1/15 (6.7%)5 (42%)2/13 (15%)0.099
Sensitization14/33 (42%)3/11 (27%)5/9 (56%)6/13 (46%)0.45
 Food4/33 (12%)1/11 (9.1%)0/9 (0%)3/13 (23%)0.42
 Aeroallergen11/33 (33%)2/11 (18%)5/9 (56%)4/13 (31%)0.25
  1. 25-OHD, 25-hydroxyvitamin D
  2. Data are expressed as median (range), or number of subjects (%)