Table 1.
Baseline characteristics of the three groups
| AN patients (n = 38) | Recovered AN patients (n = 20) | Healthy women (HW; n = 38) | AN vs. HW | recAN vs. HW | |
|---|---|---|---|---|---|
| mean (SD) | mean (SD) | mean (SD) | t (p) | t (p) | |
| Age | 26.1 (7.2) | 26.3 (7.1) | 25.3 (6.3) | 0.54 (0.59) | 0.59 (0.56) |
| Age at onset | 18.3 (5.1) | 17.7 (3.2) | – | – | – |
| Duration of illness (months) | 78.6 (81.3) | 45.7 (65.0) | – | – | – |
| Duration of recovery (months) | – | 45.4 (46.8) | – | – | – |
| Baseline BMI | 15.8 (1.8) | 19.6 (1.6) | 21.7 (2.9) | 10.51 (<0.001) | 2.91 (0.005) |
| Weight lossa | 7.1 (2.8) | 5.2 (3.1) | 3.4 (1.7) | 7.01 (<0.001) | 2.95 (0.005) |
| Lowest BMI | 14.0 (1.8) | 15.7 (1.4) | 19.8 (2.5) | 11.56 (<0.001) | 6.71 (<0.001) |
| Education | 14.2 (2.2) | 14.2 (2.7) | 15.5 (2.3) | 2.44 (0.02) | 1.97 (0.05) |
| Edinburgh laterality index | 57.2 (37.6) | 60.6 (35.2) | 55.1 (42.0) | 0.23 (0.82) | 0.50 (0.62) |
| Drive for thinness | 9.9 (6.1) | – | 2.3 (4.2) | 6.22 (<0.001) | – |
| Depression | 1.4 (0.8) | – | 0.7 (0.6) | 4.06 (<0.001) | – |
| Trait anxiety | 56.6 (9.7) | – | 39.3 (9.6) | 7.82 (<0.001) | – |
a
Weight loss is defined as the difference between highest and lowest lifetime body mass index.