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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