|  | Pretreatment scores | Post-treatment scores |  |  |  |
---|---|---|---|---|---|---|
 | Outcome variables | M (SD) | M (SD) | Test statistics | p | Hedges’s gav |
Recovered (n = 62) | EDE-Q global score | 3.51 (0.83) | 1.13 (0.55) | t(61) = 20.24 | p < .001 | 3.35 |
 | EDE-Q OBE scale scores | 5.92 (7.37) | 0.50 (1.13) | t(61) = 6.12 | p < .001 | 1.02 |
 | BMI | 39.02 (5.25) | 38.12 (4.95) | t(60) = 3.54 | p < .001 | 0.15 |
Improved (n = 31) | EDE-Q global score | 4.26 (0.55) | 2.96 (0.39) | t(30) = 15.07 | p < .001 | 2.63 |
 | EDE-Q OBE scale scores | 10.60 (10.18) | 1.90 (2.90) | t(29) = 4.96 | p < .001 | 1.13 |
 | BMI | 38.21 (6.69) | 37.28 (6.63) | t(30) = 2.91 | p = .007 | 0.14 |
Unchanged/ | EDE-Q global score | 3.42 (0.71) | 3.26 (0.67) | t(46) = 2.49 | p = .016 | 0.22 |
deteriorated (n = 47) | EDE-Q OBE scale scores | 6.48 (10.72) | 2.54 (3.76) | t(45) = 2.57 | p = .013 | 0.48 |
 | BMI | 40.39 (6.30) | 40.19 (6.01) | t(46) = 0.90 | p = .371 | 0.03 |