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 |