Table 1.
Demographic, clinical, and hormone variables for admission, discharge, and 3 months post-discharge.
| Variables | Admission (Time 1) |
Discharge (Time 2) |
3 Months Post-Discharge (Time 3) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | N | Mean | SD | N | Mean | SD | N | χ2 † | p † | Post hoc ‡ | |
| Demographics | ||||||||||||
| Age (year) | 29.9 | 13.7 | 73 | - | - | - | - | - | - | - | - | - |
| Age of onset (year) | 17.8 | 7.2 | 72 | - | - | - | - | - | - | - | - | - |
| BMI (kg/m2) | 15.1 | 1.8 | 73 | 17.1 | 1.5 | 71 | 17.9 | 2.4 | 49 | 59.3 | <0.01 | T2 > T1 ** |
| T3 > T1 ** | ||||||||||||
| T3 > T2 ** | ||||||||||||
| % IBW | 68.8 | 7.8 | 73 | 79.5 | 5.7 | 71 | 83.5 | 10.9 | 49 | 67.8 | <0.01 | T2 > T1 ** |
| T3 > T1 ** | ||||||||||||
| T3 > T2 ** | ||||||||||||
| Psychological factors | ||||||||||||
| Anxiety | 25.1 | 13.3 | 67 | 18.6 | 11.7 | 64 | 17.7 | 11.1 | 50 | 16.9 | <0.01 | T1 > T2 ** |
| T1 > T3 ** | ||||||||||||
| Depression | 32.9 | 15.7 | 65 | 22.1 | 16.5 | 63 | 21.6 | 15.3 | 49 | 17.8 | <0.01 | T1 > T2 ** |
| T1 > T3 ** | ||||||||||||
| Binge-eating | ||||||||||||
| OBE episode | 13.9 | 52.6 | 72 | 4.3 | 13.0 | 73 | 2.4 | 5.9 | 73 | 6.8 | 0.03 | T1 > T3 ** |
| SBE episode | 16.7 | 39.6 | 73 | 9.0 | 18.8 | 73 | 4.5 | 8.0 | 73 | 20.3 | <0.01 | T1 > T2 * |
| T1 > T3 ** | ||||||||||||
| Hormones | ||||||||||||
| Cortisol (ug/dL) | 19.9 | 6.4 | 55 | 19.1 | 7.1 | 51 | 14.8 | 6.4 | 24 | 6.3 | 0.04 | T1 > T3 ** |
| T2 > T3 * | ||||||||||||
| ACTH (pg/mL) | 84.0 | 25.8 | 55 | 89.2 | 28.4 | 51 | 74.8 | 25.4 | 24 | 4.9 | 0.09 | - |
| NE (pg/mL) | 414.0 | 311.5 | 51 | 349.0 | 276.4 | 48 | 567.6 | 462.8 | 22 | 1.7 | 0.43 | - |
| Ghrelin active (pg/mL) | 216.5 | 104.0 | 68 | 192.9 | 75.5 | 60 | 273.6 | 184.2 | 28 | 1.7 | 0.44 | - |
| Ghrelin total (pg/mL) | 2153.0 | 1151.1 | 69 | 1360.6 | 558.8 | 61 | 1972.5 | 856.1 | 29 | 7.5 | 0.02 | T1 > T2 ** |
| T3 > T2 * | ||||||||||||
| Leptin (ng/mL) | 8.4 | 5.7 | 53 | 15.3 | 13.4 | 45 | 21.1 | 18.3 | 17 | 8.1 | 0.02 | T2 > T1 ** |
| T3 > T1 * | ||||||||||||
Note. BMI = body mass index; % IBW = the percentage of ideal body weight; OBE = Objective binge-eating episode during the past four weeks; SBE = Subjective binge-eating episode during the past four weeks; SD = standard deviation; ACTH = adrenocorticotropic hormone; NE = norepinephrine; Anxiety = sum score of the Beck Anxiety Inventory; Depression = sum score of the Beck Depression Inventory-II; ** p < 0.01; * p < 0.05; † Repeated-measures ANOVA on ranks; ‡ Wilcoxon Signed Rank Test with Bonferroni adjustment.