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Table 1 Patient characteristics

From: Rhinovirus species and tonsillar immune responses

Characteristics

All, n = 42

RV-A, n = 16

RV-B, n = 12

RV-C, n = 14

P value

Age, years

9.3 (2.6, 40)

9.1 (2.6, 17)

13.3 (4.8, 36)

8.5 (3.2, 40)

0.38

Male

23 (55%)

11 (69%)

2 (17%)

10 (71%)

0.0072

Tonsillectomy and adenotomy

22 (52%)

9 (56%)

6 (50%)

7 (50%)

0.93

Self-smoking

1/41 (2%)

0 (0%)

1 (8.3%)

0/13 (0%)

0.29

Maternal smoking

16/41 (39%)

6 (38%)

4/11 (36%)

6 (43%)

1.0

Paternal smoking

17/37 (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 only

18 (43%)

5 (31%)

6 (50%)

7 (50%)

0.49

 Recurrent tonsillitis only

8 (19%)

2 (13%)

2 (17%)

4 (29%)

0.55

 Obstruction + tonsillitis

7 (17%)

3 (19%)

2 (17%)

2 (14%)

1.0

 Other

9 (21%)

6 (38%)

2 (17%)

1 (7.1%)

0.14

Respiratory symptoms on operation day

13/39 (33%)

10 (63%)

1/10 (10%)

2/13 (15%)

0.0074

 Throat pain

3/39 (7.7%)

2 (13%)

0/10

1/13 (7.7%)

0.77

 Cough

6/39 (15%)

4 (25%)

1/10 (10%)

1/13 (7.7%)

0.53

 Acute otitis media

0/39 (0%)

0 (0%)

0/10 (0%)

0/13 (0%)

 Wheezing

0/39 (0%)

0 (0%)

0/10 (0%)

0/13 (0%)

 Other

1/39 (2.6%)

1 (6.3%)

0/10 (0%)

0/13 (0%)

1.0

Respiratory symptoms within 2 weeks

18/34 (53%)

10/15 (67%)

4/8 (50%)

4/11 (36%)

0.34

Respiratory symptoms within 4 weeks

22/34 (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

 Free

7.2 (5.3, 8.2)

7.0 (5.7, 10)

6.5 (4.3, 7.9)

7.3 (5.3, 8.5)

0.69

 Bioavailable

2.4 (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 allergy

18 (43%)

6 (38%)

7 (58%)

5 (36%)

0.44

Physician-diagnosed atopic dermatitis

7/41 (17%)

1 (6.3%)

4 (33%)

2/13 (15%)

0.19

Self-reported allergic rhinitis

10/40 (25%)

4 (25%)

4/11 (36%)

2/13 (15%)

0.53

Physician-diagnosed asthma

8/40 (20%)

1/15 (6.7%)

5 (42%)

2/13 (15%)

0.099

Sensitization

14/33 (42%)

3/11 (27%)

5/9 (56%)

6/13 (46%)

0.45

 Food

4/33 (12%)

1/11 (9.1%)

0/9 (0%)

3/13 (23%)

0.42

 Aeroallergen

11/33 (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 (%)