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Table 1 Studies of inpatient treatment for children and adolescent patients with anorexia nervosa

From: Outcomes of inpatient psychological treatments for children and adolescents with eating disorders at time of discharge: a systematic review

First Author, Year

# of Participants <18 yrs. (Diagnosis)

Study Design

Mean Length of Stay

Primary Outcome

Findings

Studies of Inpatient Treatment Based on an Integrative Approach for AN

 Anis, 2016 [18]

59 (47 AN-Ra and 12 atypical ANb)

Case series

67.2 days (SD=81.1 days)

Change in weight admission to discharge (BMIc)

Weight increased from mean BMI 16.3 (SD=1.35) to 17.1 (SD=1.35)

 Ayton, 2009 [19]

50 (23 AN-R, 5 AN-B/Pd and 6 EDNOSe)

Case control (outcomes compared between those admitted with parental consent vs those formally detained)

240 days or 417 days

Change in weight admission to discharge (BMI)

Weight increased from BMI 14.4 (SD=1.9) to 18.5 (SD=1.6) or 16.6 (SD=2.6) to 19.6 (SD=1.5), difference in weight at admission between groups was significant (p=0.001) and non-significant at discharge.

 Bourion-Bedes, 2013 [20]

66 (54 AN-R and 12 AN-B/P)

Case series

Not reported

Change in weight (BMI) and % of participants reaching 90%TGWf

Admission BMI 14.8 (SD=1.8) and change in BMI 3.1 (SD=1.4) (p<0.001)

90.9% of patients reached 90%TGW by a mean of 58.2 days (SD=38.3) of admission

 Castro-Fornieles, 2007 [21]

49 (37 AN-R and 12 AN-B/P)

Case series

29.8 days (SD=17.6)

Change in weight admission to discharge (mean BMI), change mean EAT-26g scores ANSOCQh scores admission to discharge

Weight increased from mean BMI 15.5 (SD=1.4) to 18.4 (SD=0.8) (p<0.001)

Mean EAT-26 score decreased from 53.9 (SD=29.9) to 43.5 (SD=29.0) (p=0.002)

Mean ANSOCQ score decreased from 53.6 (SD=19.7) to 62.9 (SD=24.5) (p=0.001)

 Fennig, 2015 [36]

44 (all AN)

Case series

115.8 days (SD=54.7)

Change in weight admission to discharge (mean BMI), mean EDE-Qi scores, mean EDI-2j scores

Weight increased from mean BMI 16.2 (SD=1.8) at admission to 19.5 (SD=1.5) at discharge

Change in total EDE-Q score was significant (p<0.05)

No significant change in EDI-2 scores admission to discharge

 Goddard, 2013 [22]

11 (AN or EDNOS)

Case Series

29.0 days (SD=11.9)

Change in weight admission to discharge (mean BMI), mean EDE-Q scores

Weight increased from BMI 15.0 (SD=1.6) at admission to 18.5 (SD=1.3) at discharge (p=0.001)

EDE-Q total and subscales improved, but non-significant change admission to discharge

 Heinberg, 2003 [23]

40 (27 AN-R, 8 AN-B/P, 2 “low weight” BN, 1 subthreshold AN-R, 1 subthreshold BNk, 1 atypical ED)

Case control (comparison to adult sample and inpatient to day treatment for adolescent)

20.6 days (SD=13.03)

Weight gain per week

Rate of inpatient weight gain mean 1.86kg/week (SD=0.68) vs adults gained 1.95 kg/week. Day Treatment weight gain 0.99kg/week (SD=0.47)

 Hetman, 2017 [24]

51 (44 AN-R, 7 AN-B/P)

Case control (comparison of patients that did not require readmission by one year and those that did require re-admission)

112 days (SD=69.6) and 113.8 days (SD=34.8)

Weight gain admission to discharge (BMI) and Percent from Target Weight (PFTW) at Discharge, change mean EDE-Q scores admission to discharge

No readmission – increase in BMI from 16.4 (SD=1.8) to 19.6 (SD=1.1) vs readmission – increase in BMI from 16.39 (SD=2.0) to 19.89 (SD=1.19)

PFTW in group not requiring readmission was 101.2% at discharge vs 98.2% in group requiring readmission (p<0.05)

Change in EDE-Q scores did not differ between groups

 Kalisvaart, 2007 [25]

39 (28 AN, 11 EDNOS)

Case Series

50.8 (SD=29.6)

Weight gain admission to discharge (%TGW and BMI) and rate of weight gain

%TGW rose from 74.8 (SD=9.4) at admission to 85.1 (SD=5.3) at discharge (p<0.001)

BMI rose from a mean of 15.5 (SD=1.9) to 17.6 (SD=1.2) at discharge (p<0.001)

Mean rate of weight gain was 0.1kg/d (SD=0.06)

 Leon, 1985 [26]

31 (19 AN-R, 12 AN-B/P)

Case Control (AN-R vs AN-B/P)

143 (Range 56-276) for AN-R group, 135 (Range 43-242) for AN-B/P group

Weight gain (change in weight in kg admission to discharge)

Weight rose from a mean of 38.4kg (range 28.2-47.3) to 47.2kg (37.3-49.5) for AN-R group and from a mean of 42.0kg (35.0-48.6) to 46.8kg (34.1-54.5)

 Lock, 2003 [37]

39 (all AN)

Case series

31.9 (SD=16.5)

Weight gain admission to discharge (%TGW)

Mean %TGW rose from 74.9% (SD=7.0%) at admission to 85.2% (SD=5.8%) at discharge

 Lievers, 2009 [27]

268 (217 AN-R, 51 AN-B/P)

Case series

135 (SD=97)

Weight gain admission to discharge (BMI)

Mean BMI rose from 13.5 (SD=1.3) at admission to 17.4 (SD=1.4)

 Mekori, 2017 [28]

88 (44 AN-R, 17 AN-B/P, 13 BN, 14 EDNOS-B/P)

Case control (compared patient with AN vs BN or EDNOS-B/P)

204 (SD=91)

Weight gain admission to discharge (BMI)

Mean BMI rose significantly from admission to discharge (15.8, SD=1.9 to 19.8, SD=0.7) for AN group.

 Nova, 2008 [29]

14 (all AN)

Case Series

Unclear

Weight gain admission to one month (%TGW, weight in kg)

Mean %TGW rose from 72.2 (SD=7.9) at admission to 78.7 (SD=6.0) after one month (p<0.001)

Mean weight at admission was 39.4 (SD=6.1) and rose to 43.0 (SD=4.9) after one month (p<0.001)

 Rothschild-Yakar, 2011 [30]

62 (33 AN-R, 10 AN-B/P, 19 BN)

Case control (compared AN-R to AN-B/P and BN combined)

196.2 (SD=68.1) for AN-R group

Change in mean weight from admission to discharge (BMI)

Change in EAT -26 scores admission to discharge

Mean BMI rose from 14.94 (SD=1.93) at admission to 19.24 (SD=1.45) at discharge for AN-R group.

Mean EAT-26 score for AN-R group decreased from 41.8 (SD=18.6) to 32.2 (SD=22.2), ES (diagnosis x time = 0.23, NS)

 Roux, 2016 [31]

83 (all AN)

Case control (compared adolescent to adult patients)

137.6 (SD=101.8)

Change in weight from admission to discharge (BMI)

Mean BMI rose from 14.3 (SD=1.44) at admission to 17.9 (SD=1.7) at discharge

 Shugar, 1994 [32]

15 (all AN-B/P)

Case series

91 (range 84-98)

Change in weight admission to discharge (BMI)

Change in EAT-26 score from admission to discharge

Mean BMI rose from 38.4 (SD=2.56) at admission to 16.3 (SD=0.98) at discharge

Mean EAT-26 score decreased from 48.7 (SD=9.8) at admission to 29.6 (SD=9.7) at discharge

 Tasaka, 2017 [33]

41 (all AN-R)

Case series

130.7 (SD=66.2)

Change in weight admission to discharge (BMI and %TGW)

Mean BMI rose from 13.2 (SD=1.6) at admission to 15.3 (SD=1.7) at discharge

Mean %TGW rose from 68.3 (SD=7.3) at admission to 78.8 SD=3.6) at discharge

 Toms, 1972 [34]

1 (AN)

Case Report

239

Change in weight admission to discharge (kg)

Weight increased from 25.5kg at admission to 42.6kg at discharge

 Vall, 2017 [35]

40 (36 AN-R, 4 AN-B/P)

Case Series

20.1 (SD=10.3)

Change in weight admission to discharge (BMI centile)

Change in EDE-Q score admission to discharge

Mean BMI centile rose from 9.0 (SD=2.1) at admission to 21.3 (SD=3.1) at discharge

Mean total EDE-Q score did not differ significantly from admission to discharge

Stuides Inpatient Treatment Utilizing a Family-Based or Cognitive Behavioural Approach for AN

 Goldfield, 2003 [38]

1 (AN-R)

Case Report

Not Reported

Change in weight from admission to discharge (BMI)

BMI rose from 15.4 at admission to 19.5 at discharge.

 Halvorsen, 2018 [39]

37 (all AN)

Case Series

144.2 (SD=95.2)

Mean change in weight during admission (kg)

Mean weight rose be 7.5kg (SD=4.4) during admission.

 Matthews, 2016 [40]

1 (AN-R)

Case Report

9

Change in weight admission to discharge (BMI and %TGW)

BMI rose from 16.3 at admission to 17.5 at discharge

%TGW rose from 82.0% at admission to 85.8% at discharge

 Salbach-Andrae, 2009 [41]

57 (41 AN-R, 16 AN-B/P)

Case series

89.6 (SD=24.5)

Change in weight admission to discharge (BMI centile)

Mean BMI centile rose from 1.46 (SD=2.41) at admission to 9.44 (SD=6.68) at discharge

 Schlegl, 2016 [42]

238 (188 AN-unspecified, 42 AN-B/P, 8 atypical AN)

Case series

81.9 (32.0)

Change in weight admission to discharge (BMI)

Change in EDI-2 scores admission to discharge

Mean BMI rose from 14.8 at admission to 17.3 at discharge (ES=2.06)

EDI-2 Global rose from 296.0 (SD=64.3) at admission to 245.7 (SD=65.1) at discharge (ES=0.78)

 Paul, 2013 [43]

1 (AN-R)

Case report

6

Change in weight admission to discharge (kg)

Weight rose from 36.5kg at admission to 37.6kg at discharge

Studies of Inpatient Treatment Utilizing a Behaviour Therapy Approach for AN

 Alessi, 1989 [44]

1 (AN-R)

Case Report

70

Change in weight admission to discharge (kg)

Mean EAT-26 scores admission to discharge

Weight rose from 23.8 kg at admission to 31.8kg at discharge

EAT-26 scores remained high until 49 days into admission then decreased (actual absolute values not given)

 Blanchet-Collet, 2016 [45]

1 (AN-R)

Case Report

Not Reported

Change in weight admission to discharge (BMI)

BMI rose from 13.5 at admission to 16.5 at discharge

 Blinder, 1970 [46]

1 (AN-R)

Case Report

38

Change in weight admission to discharge (kg)

Weight rose from 42.6kg at admission to 51.0kg at discharge

 Cinciripini, 1983 [47]

1 (AN-B/P)

Case Report

39

Change in weight admission to discharge (kg)

Change in intake admission to discharge (kcal/day)

Weight rose from 44.0kg at admission to 54.0kg at discharge

Daily intake rose from 850kcal at admission to 1700kcal at discharge

 Clark, 1981 [48]

2 (AN-R)

Case reports

44 days and 56 days

Change in weight admission to discharge (kg)

Case 1: weight rose from 39.4kg at admission to 45kg at discharge

Case 2: weight rose from 39kg to 50kg at discharge

 Collins, 1983 [49]

37 (AN-R)

Case series

23.9 (range 2-66)

Weight gain admission to discharge (kg)

Mean weight gain was 5.8kg (range 0-12.7kg) from admission to discharge

 Garfinkel, 1973 [50]

4 (AN-R)

Case reports

Case 1: 42days

Case 2: 42 days

Case 3: 56 days

Case 4: 21 days

Weight gain while being treated under behavioural therapy framework (kg)

Case 1: 9.0kg

Case 2: 8.6kg

Case 3: 14.6kg

Case 4: 11.9kg

 Halmi, 1975 [51]

4 (all AN)

Case reports

Not specifically reported for adolescent patients, 43.8 days for adults and adolescents combined

Weight gain admission to discharge (%TGW)

Total weight gain during admission (kg)

Mean %TGW at admission was 67.5% and at discharge was 84%

Mean total weight gain during admission was 8.15kg

 Leitenberg, 1968 [52]

2 (both AN)

Case reports

45 days and 39 days

Weight gain while treated under behavioural therapy framework (kg)

Increase in intake while treated under behavioural therapy framework (kcal)

Case 1: weight rose 8.2 kg, intake rose from 1700kcal to 4000kcal

Case 2: weight rose 11.2kg, intake rose from 1600kcal to 3900kcal

 Nygaard, 1990 [53]

84 (all AN)

Case series

23 (range 7-56)

Weight gain admission to discharge (kg)

Mean weight gain from admission to discharge was 1.89 (SD=1.41)

 Pertschuk, 1978 [54]

2 (both AN)

Case reports

13

Weight gain while treated under behavioural therapy framework (kg)

Case 1: 4.88 kg

Case 2: 3.63 kg

 Poole, 1978 [55]

2 (both AN)

Case reports

23

Weight gain while treated under behavioural therapy framework (kg)

Case 1: 12.6 kg

Case 2: 15.3 kg

 Solanto, 1994 [56]

53 (all AN)

Case control (compared 22 vs 31 patients treated under to different behaviour contracts)

28

Rate of weight gain when treated under each behaviour contract.

Group 1: 0.09kg/d (SD=0.05)

Group 2: 0.16kg/d (SD=0.07)

Significant effect for contract x day (p<0.009)

 Steinhausen, 1985 [57]

24 (17 AN-R, 7 AN-B/P)

Case series

77

Weight gain admission to discharge (%TGW)

Change in EAT-26 scores admission to discharge

Change in EDI-drive for thinness admission to discharge

Mean weight rose from 65.9%TGW at admission to 87.4%TGW at discharge (p<0.0001)

Mean EAT-26 score dropped from 37.1 to 12.7 (p<0.0001)

Mean EDI-drive for thinness dropped from 8.0 to 1.9 (p<0.02)

Studies of Inpatient Treatment Utilizing a Psychodynamic Approach for AN

 Groen, 1966 [58]

5 (all AN)

Case reports

61 (range 30-91)

Weight gain admission to discharge (kg)

Mean weight rose from 36.6 kg (range 29-43kg) at admission to 43kg (range 36-47kg) at discharge

 Kronenberg, 1994 [59]

1 (AN-R)

Case report

152

Weight gain admission to discharge (kg)

Weight rose from 35kg at admission to 42kg at discharge

Studies of Inpatient Treatment on Pediatric Unit for AN

 Jenkins, 1987 [60]

21 (16 AN-R, 5 AN-B/P)

Case series

185 (SD=122)

Weight gain admission to discharge (%TGW)

Mean %TGW rose from 68% (5.5) at admission to 99% (SD=7.7) at discharge

 Maxmen, 1974 [61]

5 (all AN)

Case reports

40 (range 11-67)

Weight gain admission to discharge (kg)

Mean weight rose from 34.4kg at admission to 43.2 at discharge

  1. aAN-R anorexia nervosa – restricting subtype
  2. bAN anorexia nervosa
  3. cBMI body mass index
  4. dAN-B/P anorexia nervosa – binge/purge subtype
  5. eEDNOS eating disorder not otherwise specified
  6. fTGW treatment goal weight
  7. gEAT-26 eating attitude test
  8. hANOSOCQ anorexia nervosa stages of change questionnaire
  9. iEDE-Q eating disorders examination - questionnaire
  10. jEDI-2 eating disorders inventory
  11. kBN bulimia nervosa