Anorexia nervosa (n=76) | EDNOS (n=83) | Other (n=40) | BN (n=3) | BED (n=6) | |
---|---|---|---|---|---|

Age | |||||

Median (IQR) | 11.80 (1.54) | 11.90 (1.99) | 11.80 (1.48) | 10.21 (range 9.54–10.51) | 11.42 (1.49) |

Females, n (%) | 88% (66) | 84.5% (71) | 67.5% (27) | 100% (3) | 66.7% (4) |

Weight z-score at diagnosis | N=38 | ||||

Mean (SD) | −1.73 (0.77) | –0.23 (0.88) | −1.39 (1.03) | −0.11 (0.66) | 1.89 (1.40) |

Height z-score at diagnosis | N=70 | N=38 | N=2 | ||

Mean (SD) | −0.22 (1.12) | 0.19 (1.07) | −0.15 (1.11) | 0.23 (0.47) | 1.18 (1.00) |

BMI at diagnosis (kg/m^{2}) | N=70 | N=38 | N=2 | 22.8 | |

Median (IQR) | 13.80 (1.26) | 1 6.50 (1.69) | 14.00 (2.44) | 15.90 (range 14.7–17.12) | 14.10 |

BMI z-score | N=70 | N=38 | N=2 | ||

Median (IQR) | −2.30 (1.10) | −0.57 (1.11) | −2.03 (1.52) | −0.65 (range −1.29 to −0.1) | 1.58 (3.01) |

%BMI | N=70 | N=38 | N=2 | ||

Median (IQR) | 77.69 (8) | 92.90 (9.55) | 80.30 (11.74) | 94 (range 88–99.4) | 129.80 (79.00) |

Weight loss (kg) | N=39 | N=46 | N=27 | N=1 | N=3 |

Median (IQR) | 5.50 (6.40) | 2.10 (6.45) | 0.50 (3.00) | 0.30 | 0.50 (range 0.10 to −13.80) |

Rate of weight loss (kg/week) | N=22 | N=27 | N=14 | N=0 | N=0 |

Median (IQR) | 0.23 (0.30) | 0.24 (0.37) | 0.25 (0.30) | ||

Duration of symptoms prior to diagnosis (months) | N=68 | N = 77 | N=31 | N=3 | N=5 |

Median (IQR) | 6.00 (7.75) | 6.00 (6.00) | 6.00 (13.00) | 12 (range 4 to 18) | 12.00 (12.00) |

Medical instability | N=70 | N=70 | N=38 | N=1 | N=6 |

Percentage (n) | 51.4% (36) | 27.1% (19) | 23.7% (9) | 0 | 16.6% (1) |

Where data were missing within domains, actual numbers are shown (n).

%BMI, body mass index as a percentage of population median (50th centile) for age and sex.

BED, binge eating disorder; BN, bulimia nervosa; EDNOS, eating disorder not otherwise specified.