Table 1.
Demographics and clinical data and GM, WM, and CSF total volumes
| AN-r (N = 15) | HC (N = 15) | |||||
|---|---|---|---|---|---|---|
| Mean | (SD) | Mean | (SD) | Statistic | p | |
| Age (years) | 15.7 | (1.7) | 16.1 | (1.4) | 0.727a | <0.473 |
| BMI | 16.1 | (1.2) | 21.6 | (2.4) | 7.966a | <0.001 |
| Lifetime lowest BMI | 16 | (1.3) | – | – | – | – |
| Age of onset (years) | 15.2 | (1.6) | – | – | – | – |
| Disease duration (months) | 4.0 | (1.8) | – | – | – | – |
| Beck Depression Inventory | 31 | (12) | 5 | (3) | 223.500b | <0.001 |
| State Trait Anxiety Inventory-trait | 53 | (14) | 30 | (5) | 214.000b | <0.001 |
| Drive for Thinness (EDI-II) | 17 | (3) | 3 | (3) | 224.000b | <0.001 |
| Bulimia (EDI-II) | 2 | (2) | 1 | (2) | 145.000b | 0.187 |
| Body Disatisfaction (EDI-II) | 15 | (5) | 8 | (6) | −3.576a | 0.001 |
| Perfectionism (EDI-II) | 9 | (4) | 2 | (2) | 209.500b | <0.001 |
| Interoceptive Awareness (EDI-II) | 11 | (7) | 2 | (3) | 202.000b | <0.001 |
| GM (ml) | 714.40 | (54.6) | 732.74 | (41.3) | −1.037a | 0.308 |
| WM (ml) | 415.73 | (50.8) | 429.11 | (39.2) | −0.083a | 0.426 |
| CSF (ml) | 259.07 | (49.7) | 230.15 | (31.3) | 1.907a | 0.067 |
GM gray matter, WM white matter, CSF cerebro-spinal fluid, AN-r anorexia nervosa-restrictive type, HC healthy control, N numbers, SD standard deviation, BMI body mass index
aStudent’s t-test
bMann–Whitney U test