Table 3 Differences in pre-treatment characteristics, treatment details, post-treatment symptoms between those who achieved 95% of expected body weight at EOT and those who did not, in 52 female adolescents received FBT for AN

Psychiatric comorbidity, n(%)

9 (28.1%)

5 (25.0%)

p = 1.00^*

Time(months) before FBT, mean (SD)

13,38 (8.86)

13.15 (7.08)

p = 0.92^**

Living in intact family, n (%)

25 (78.1%)

16 (80.0%)

p = 1.00^*

Previous treatment for AN,n (%)

12 (37.5%)

5 (25.0%)

p = 0.38^*

Psychiatric medication, n (%)

10 (31.3%)

5 (25.0%)

p = 0.76^*

Pre-treatment %EBW,mean (SD)

86.9 (8.61)

76.9 (3.58)

t(df) = 4.891(50)^**, p < 0.001, d = 1.52

Pre-treatment obsessive exercise, n (%)

23 (71.9%)

9 (45.0%)

p = 0.05^*

FBT sessions number,mean (SD)

15.75 (7.99)

14.60 (6.28)

p = 0.56^**

Early weight gain, mean (SD)

3.28 (2.71)

2.96 (1.74)

p = 0.65^**

Total weight gain,

mean (SD)

10.71 (4.77)

6.14 (1.96)

t(df) = 4.066(50)^**, p < 0.001,d = 1.25

Regular menses at EOT, n (%)

21 (65.7%)

7 (35.0%)

X²(df) = 5.160(1)^***,p = 0.04,φ = 0.32

Need for other treatment during FBT, n (%)

11 (34.4%)

6 (30.0%)

p = 1.00^*

Need for further treatment at EOT, n (%)

17 (53.1%)

13 (65.0%)

p = 0.56^*

Depression symptoms at the EOT, n (%)

9 (28.1%)

3 (15.0%)

p = 0.33^*

Anxiety at EOT, n (%)

13 (40.6%)

10 (50.00%)

p = 0.57^*

Dietary restrictions at the EOT, n (%)

3 (9.4%)

9 (45.0%)

X²(df) = 8.265(1)^***, p < 0.01,φ = 0.41

No symptoms of an eating disorder at EOT, n (%)

26 (81.3%)

9 (45%)

X²(df) = 7.209(1)^***, p < 0.01,φ = 0.38