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Table 2 Data on anthropometrics and atopic dermatitis in children recruited from bronchiolitis trial and from the general population. Numbers in first columns of each group specify number of infants with obtained data

From: Weight-for-length, early weight-gain velocity and atopic dermatitis in infancy and at two years of age: a cohort study

  Recruited from bronchiolitis trial (N = 404) Recruited from the general population (N = 238)  
No.    No.    P value
Birth
 Weight, mean (SD), g 280 3392 (645) 201 3591 (558) <.001
 Length, mean (SD), cm 253 49.9 (3.0) 193 50.6 (2.3) .002
 Weight-for-length, mean (SD), g/cm 253 68.6 (10.2) 193 70.8 (9.1) .02
 z-score weight-for-length,a mean (SD) 242b 0.21 (1.4) 193 0.24 (1.2) .83
 Excessive weight-for-length,a,c No. (%) 242b 31 (13) 193 19 (10) .23
 BMI, mean (SD), kg/cm2 253 13.7 (1.8) 193 14.0 (1.5) .15
Enrolment        
 Weight, mean (SD), g 404 6510 (1874) 227 7829 (1769) <.001
 Early weight-gain velocity, mean (SD), g/month 280 767 (271) 190 737 (242) .22
 Length, mean (SD), cm 201 62.9 (7.2) 227 67.8 (6.4) <.001
 Weight-for-length, mean (SD), g/cm 201 104.8 (19.9) 227 114.3 (17.7) <.001
 z-score weight-for-length,a mean (SD) 201 0.16 (1.6) 227 0.03 (1.2) .35
 Excessive weight-for-length,a,c No. (%) 201 26 (13) 227 15 (7) .02
 BMI, mean (SD), kg/cm2 201 16.6 (2.2) 227 16.8 (1.8) .30
 Atopic dermatitis,d No. (%) 201 14 (7) 227 41 (18) <.001
 SCORAD, median (IQR) 201 NA NA 36 16 (11, 21) NA
 Two-year follow-up visit 294    205    
 Weight, mean (SD), kg 274 13.2 (1.7) 201 12,9 (1.6) .05
 Length, mean (SD), cm 275 87.1 (4.1) 202 88.6 (4.4) <.001
 Weight-for-length, mean (SD), g/cm 273 151. 1 (15.5) 200 145.4 (14.7) <.001
 z-score weight-for-length,a mean (SD) 273 1.10 (1.1) 200 0.54 (1.1) <.001
 Excessive weight-for-length,a,c No. (%) 273 83 (30) 200 30 (15) <.001
 BMI, mean (SD), kg/cm2 273 17.3 (1.7) 200 16.4 (1.6) <.001
 Atopic dermatitis, No. (%) 273 59 (22) 200 47 (24) .35
 SCORAD, median (IQR) 44 13 (10, 18) 36 20 (15, 28) <0.001
  1. aAccording to WHO Child Growth Standards
  2. bthe missing eleven were outside the range for the calculation formula
  3. cWeight-for-length > 95th percentile according to WHO Child Growth Standards
  4. BMI body mass inde, IQR interquartile range, NA not assessed