Table 3.
Longitudinal sample: demographic and clinical characteristics
| N | acAN-T1 | acAN-T2 | t | p | |
|---|---|---|---|---|---|
| Age (years) | 32/32 | 15.3 ± 2.5 | 15.6 ± 2.5 | − 11.23 | < 0.001 |
| BMI (kg/m2) | 32/32 | 14.8 ± 1.1 | 18.6 ± 1.1 | − 20.01 | < 0.001 |
| BMI-SDS | 32/32 | − 2.8 ± 1.1 | − 0.7 ± 0.7 | − 16.9 | < 0.001 |
| EDI-2 (total score) | 28/28 | 190.5 ± 43.4 | 183.1 ± 43.2 | 1.24 | 0.225 |
| BDI-II (total score) | 30/30 | 17.9 ± 10.3 | 9.7 ± 8.5 | 5.10 | < 0.001 |
| SCL-90-R (global severity index) | 31/31 | 0.72 ± 0.56 | 0.42 ± 0.36 | 4.53 | < 0.001 |
| Leptin (µg/l) | 32/32 | 2.6 ± 3.7 | 12.7 ± 7.1 | − 7.17 | < 0.001 |
| Physical activity | 31/31 | 2.4 ± 1.4 | 1.6 ± 1.2 | 2.88 | 0.007 |
Mean values ± standard deviation for each variable are shown separately for each timepoint. Differences between timepoints were tested using paired-sample t tests
acAN acute anorexia nervosa participants, BDI-II Beck Depression Inventory, BMI body mass index, EDI-2 Eating Disorder Inventory-2, HC healthy control participants, recAN long-term recovered anorexia nervosa participants, SCL-90-R Symptom Checklist-90-Revised, T1 timepoint 1 (at admission), T2 timepoint 2 (after short-term weight rehabilitation). Regarding psychiatric comorbidities, 2/32 acAN participants in the longitudinal sample had a depressive disorder. None of the acAN participants in the longitudinal sample were on psychoactive medication