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Table 1 Characteristics of patients with anorexia nervosa who were hospitalized in Nantes University Hospital between 2013 and 2016 (n = 137)

From: Earlier diagnosis in anorexia nervosa: better watch growth charts!

  Number of patients Percentage (95% CI)
Sex
 Girls 121 88.3 (82.9–93.7)
 Boys 16 11.7 (6.3–17.1)
Girls puberty status
 Prepubertal girls 15 12,4 (6,5–18.3)
 Pubertal girls 106 87.6 (81.7–93.5)
Residence
 Urban 126 92.0 (87.5–96.5)
 Rural 11 8.0 (3.5–12.5)
Parental situation
 Together 111 81.0 (74.4–87.6)
 Separated 26 19.0 (12.4–25.6)
 A deceased parent 6 4.4 (1.0–7.8)
Family history of ED
 Yes 33 24.1 (16.9–31.3)
 No 104 75.9 (68.7–83.1)
Obesity before AN (BMI > 2 SD)
 Yes 15 10.9 (5.7–16.1)
 No 122 89.1 (83.9–94.3)
Associated bulimia
 Yes 20 14.6 (8.7–20.5)
 No 117 85.4 (79.5–91.3)
  Median IQR
Age at diagnosis (years) 14.0 12.6–14.8
 Girls 14.1 12.6–14.9
 Boys 13.2 12.7–14.1
Weight loss at diagnosis (kg) 8.0 4.0–11.0
 Girls 8.0 5.0–12.0
 Boys 4.8 1.0–6.5
Weight loss at diagnosis (%) 16.7 9.8–24.0
 Girls 17.8 10.6–24.4
 Boys 10.6 4.4–15.4
Highest BMI (SD) 0.3 −0.6–1.2
 Girls 0.4 −0.4–1.2
 Boys 0.0 −1.0–0.8
Lowest BMI (SD) −2.3 −3.1– − 1.5
 Girls −2.2 −2.9– − 1.5
 Boys −3.1 − 3.2– − 1,9
  1. AN anorexia nervosa, BMI body mass index, CI confidence interval, ED eating disorder, IQR interquartile range, SD standard deviation