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Table 1 Definitions of recovery and remission, according to individual studies identified by the literature search

From: What happens after treatment? A systematic review of relapse, remission, and recovery in anorexia nervosa

Authors Criteria Duration Study quality
Definitions of Recovery
 Martin, 1985 [28] “Excellent”: > 90% of their ideal weight, regular menstrual patterns, and eating and social patterns were normal Not specified Fair
 Norring and Sohlberg, 1993 [34] “Well” defined as having no eating disorder diagnosis or remnants of the weight and/or shape preoccupation Not specified Good
 Eckert et al., 1995 [29] ≥85% of ideal body weight, cyclical menses, and no significant disturbance in eating or weight control behavior or body image disturbance Not specified Good
 Strober et al., 1997 [4] Free of all criterion symptoms of anorexia nervosa or bulimia nervosa 8 weeks Good
 Fichter and Quadflieg, 1999 [21] Outcome “good” defined using Morgan-Russell criteria Not specified Fair
 Pike, 1998 [8] ≥90% of ideal body weight or BMI ≥20, resumption of menses, absence of binge eating or compensatory behaviors, Eating Disorder Examination subscales within 2 SD of normal 8 weeks Fair
 Herzog, et al., 1999 [32] Absence of all symptoms or 1–2 residual symptoms—Psychiatric Status Rating (PRS) score of 1 or 2 8 weeks Good
 Lowe et al., 2001 [22] Outcome “good” defined using Morgan-Russell and PSR 1 Not specified Good
 Kordy et al., 2002 [10] AN-R: BMI > 19, no extreme fear of weight gain
AN-BP: BMI > 19, no extreme fear of weight gain, no vomiting or laxative abuse, no binges
12 months Good
 Carter et al., 2004 [15] BMI above 20 Not specified Good
 Walsh et al., 2006 [14] BMI above 19 No information Good
 Eisler et al., 2007 [20] Outcome “good” defined using Morgan-Russell criteria Not specified Good
 Bodell and Mayer, 2011 [24] No DSM–IV criteria of AN 8 weeks Fair
 Bardone-Cone et al., 2010 [30] Full recovery: BMI ≥ 18.5, absence of binge-eating, purging or fasting for at least 3 months, not meeting criteria for current eating disorder, all EDE-Q subscales within 1 SD of normal
Partial recovery: same as above, but not needing to satisfy EDE-Q criterion
Not specified Good
 Carter et al., 2012 [7] BMI of 20 and reported no more than one BP episode before the end of treatment. 2 weeks BMI and no BP behaviors over the previous 28 days at the end of treatment Good
Definitions of Full Remission
 Morgan and Hayward, 1988 [23] ≥85% of ideal body weight, regular menses, and no binge eating or purging behaviors Not specified Fair a
 Pike, 1998 [8] ≥90% of ideal body weight or BMI ≥20, resumption of menses, absence of binge eating or compensatory behaviors, EDE subscales within 2 SD of normal Not specified Fair
 Stice et al., 2000 [27] BMI ≥17.5, regular menses, and no current subthreshold or full threshold eating disorder Not specified Good a
 Kordy et al., 2002 [10] AN-R: BMI > 19, no extreme fear of weight gain
AN-BP: BMI > 19, no extreme fear of weight gain, no vomiting or laxative abuse, no binges
12 weeks Good
 Keel et al., 2005 [17] Absence of all symptoms or 1–2 residual symptoms—PSR score ≤2 8 weeks Good
 Clausen, 2008 [18] PSR score ≤2 12 weeks Good
 Helverskov et al., 2010 [16] Absence of all symptoms/1–2 Residual symptoms—PSR score of 1 or 2 12 weeks Good
Definitions of Partial Remission
 Lowe et al., 2001 [22] Outcome “improved” defined using Morgan-Russell criteria and PSR 2, 3, or 4 Not specified Good
 Kordy et al., 2002 [10] AN-R: BMI > 17.5
AN-BP: BMI > 17.5 in addition to ≤1 binge per week and no vomiting or laxative abuse
4 weeks Good
 Clausen, 2008 [18] PSR score ≤3 12 weeks Good
 Helverskov et al., 2010 [16] PSR score of 3 12 weeks Good
  1. a No NHLBI systematic criteria available to rate this study type; quality rating reflects consensus agreement between two rater assessments