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Table 4 Differences between school-attending females with underweight and female patients with AN

From: Body mass index and self-reported body image in German adolescents

Variable Percentile School-attending females ≤ 10th BMI percentile Female patients with AN ≤ 10th BMI percentile p-Value°
   n = 30 n = 291 < .001*
FKB-20 Negative Evaluations of the Body 25. 14.0 24.5
50. 18.0 34.0
75. 22.5 40.5
   n = 221 n = 30 < .001*
EDI-DT 25. 0 0.4
50. 0 1.1
75. 0 2.1
EDI-B 25. 0 0 .151
50. 0 0
75. 0 0.3
EDI-BD 25. 0 0.8 < .001*
50. 0.2 1.2
75. 0.6 1.6
EDI-I 25. 0 0.1 .005
50. 0.2 0.7
75. 0.3 1.1
EDI-P 25. 0 0.3 .030
50. 0.3 0.7
75. 0.6 1.0
EDI-ID 25. 0 0 .004*
50. 0 0.1
75. 0.1 0.6
EDI-IA 25. 0 0.1 < .001*
50. 0 0.4
75. 0.2 0.6
EDI-MF 25. 0.2 0.4 .202
50. 0.4 0.5
75. 0.8 0.9
EDI-A 25. 0 0.3 < .001*
50. 0 0.4
75. 0.1 0.6
EDI-IR 25. 0 0 .698
50. 0.1 0.1
75. 0.3 0.3
EDI-SI 25. 0 0.1 .035
50. 0.4 0.6
75. 0.5 1.1
  1. Notes: n number, 1reduced n due to missing data, FKB-20 Body Image Questionnaire, EDI Eating Disorder Inventory-2, AN anorexia nervosa, °Mann-Whitney-U-test; *p < .004 (significant group difference after Bonferroni correction)