Table 1 Summary of patient outcomes including predictors and mediators by eating disorder diagnosis

AN (full recovery, weight restored)

Overall

  21.8% [16]–70.1% [17]

Follow-up

  17.8% [18]–62.8% [19]

  60.3% [20]

Transdiagnostic

 From AN to EDNOS: 33.0% [21]

 From AN to BN: 23.4% [7]

 From BN to AN: 8.4% [7]

Predicted good outcomes:

AN-R over AN-BP

Younger age at treatment

No pharmacotherapy

Shorter duration of illness

Higher baseline BMI

BN (binge/purge abstinence)

Post-treatment [22]

  35.4% (completers)

  29.9% (intent to treat)

Follow-up [22]

  34.6% (completers)

  28.6% (intent to treat)

Predicted good treatment response:

Low levels of shape/weight concern

Less severe depressive symptoms

BED (binge abstinence)

Post-treatment [22]

  50.9% to (completers)

  50.3% (intent to treat)

Follow-up [22]

  45.1% (completers)

  42.3% (intent to treat)

Predicted good outcomes:

Rapid behavioural and cognitive change in response to treatment

Predicted poor outcomes

Severity of obesity

ARFID (mean %MBMI weight restoration, no DSM diagnosis)

Post-treatment

  94% (within 95% median BMI) [23]

Follow-up

  95% (within 95% median BMI) [23]

  47.4% [24]–62% [25] no psychiatric diagnosis

None identified

Any ED* (no longer meeting criteria, levels of psychosocial function)

Child and adolescent: 23.0% [26]

Young adult: 89.0% [27]

Mid-aged: 80.0% [21]

Predicted good outcomes:

Rapid behavioural and cognitive change in response to treatment