Premenarcheal (n=131) | Postmenarcheal (n=38) | Statistics | |
---|---|---|---|

Weight z-score mean (SD) | N=126; −1.19 (1.22) | N=36; −0.13 (0.89) | t Test |

Difference in means 1.07 (95% CI 0.70 to 1.44) | |||

p<0.01 | |||

Height z-score mean (SD) | N=124; −0.25 (1.08) | N=3; 0.88 (0.88) | t Test |

Difference in means 1.14 (95% CI to 0.78–1.50) | |||

p<0.01 | |||

BMI Z-score mean (SD) | N=124; −1.73 (1.47) | N=33; −0.91 (1.14) | t Test |

Difference in means 0.82(95% CI to 0.35–1.30) | |||

p<0.01 | |||

%BMI median (IQR) | N=124; 81.32 (16.00) | N=33; 88.10 (10.00) | Mann–Whitney U, U=1259.5, z=−3.4 |

p≤0.01 | |||

Weight loss (kg) median (IQR) | N=69; 2.20 (5.03) | N=19; 3.15 (14.8) | Not significant |

Rate of weight loss (kg/week) median (IQR) | N=39; 0.19 (0.23) | N=13; 0.31 (0.36) | Not significant |

Duration of symptoms (months) median (IQR) | N=116; 6.00 (8.0) | N=36; 5.50 (4.50) | Mann–Whitney U, U=1539.5, z=−2.40 |

p=0.02 |

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

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