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Table 1 Follow-up of children hospitalised or not with acute bronchiolitis in infancy

From: Acute bronchiolitis in infancy as risk factor for wheezing and reduced pulmonary function by seven years in Akershus County, Norway

Reported at child age seven years Hospitalised group Not hospitalised group  
  RS- (n = 22) RS+ (n = 35) 95% CIa Both (n = 57) Controls (n = 64) 95% CIa
Age, mean (range) at hospitalisation, months 5.9 (0–11) 5.1 (0–9) -0.8 2.5    
Length, mean (range) of hospitalisation, days 4.6 (2–20) 4.8 (2–14) -2.1 1.8    
Birth weight, mean (range), gramsb 3507 (2420–4300) 3506 (2500–4045) -225.6 228.5 3506 (2420–4300) 3733 (2100–5220) -425.2 -27.7
Weight, mean (range) at follow-up visit, kg 27.5 (23–42) 28.3 (22–53) -4.0 2.4 28.0 (22–53) 29.2 (20–45) -0.8 3.2
Height, mean (range) at follow-up visit, cm 127.7 (118–139) 127.3 (117–146) -2.8 3.7 127.4 (117–146) 128.6 (115–145) -1.0 3.4
Age, mean (range) at follow-up visit, months 93.6 (86–101) 92.8 (86–102) -1.2 2.9 93.1 (86–102) 94.0 (88–99) -0.4 2.2
No. boys (%) 12 (54) 20 (57)   32 (56) 36 (56)  
  1. a 95% confidence interval (CI) of difference between means
  2. b P = 0.023 with independent samples T-test between the hospitalised and not hospitalised group