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Table 1 Distribution of the pediatric long bone fracture population based on gender and BMI classes in patients from the Children’s Hospital in Bern

From: An epidemiological evaluation of pediatric long bone fractures — a retrospective cohort study of 2716 patients from two Swiss tertiary pediatric hospitals

  Gender WHO BMI classes
Girls Boys Severe Thinness 1 Thinness 2 Normal 3 Overweight 4 Obesity 5 Total 6
Age group N (%)7 N (%) N (%) N (%) N (%) N (%) N (%) N (%)
Infants (< 2 years) 40 (48) 44 (52) n.a. n.a. n.a. n.a. n.a. n.a.
Preschool children (2 to < 6 years) 139 (45) 173 (55) 21 (9) 16 (7) 149 (62) 30 (12) 25 (10) 241 (100)
School children (6 to < 11 years) 165 (44) 214 (56) 9 (3) 27 (9) 192 (61) 45 (14) 40 (13) 313 (100)
Adolescents (11 to 17 years) 95 (33) 196 (67) 7 (3) 15 (6) 145 (61) 46 (19) 24 (10) 237 (100)
Total 439 (41) 627 (59) 37 (5) 58 (7) 486 (62) 121 (15) 89 (11) 791 (100)
  1. WHO = World Health Organization; BMI = Body Mass Index; n.a. = not available.
  2. 1BMI at or above the 3rd percentile and below the 15th percentile for children of the same sex and age.
  3. 2BMI at or above the 15th percentile and below the 50th percentile for children of the same sex and age.
  4. 3BMI at or above the 50th percentile and below the 85th percentile for children of the same sex and age.
  5. 4BMI at or above the 85th percentile and below the 97th percentile for children of the same sex and age.
  6. 5BMI at or above the 97th percentile for children of the same sex and age.
  7. 6Total of patients for whom BMI data could be calculated. For 275 children either height measurements (children under 2 years of age) were incomplete or both height and weight measurements were missing.
  8. 7Percentage of children within each of the four age groups.