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Table 2 Prevalence of substance use disorders in AN, AN-R, and AN-BP

From: The prevalence of substance use disorders and substance use in anorexia nervosa: a systematic review and meta-analysis

Substance use disorder (abuse/dependence)

k

n

I2**

95% CIs

Prevalence in AN

n for AN-R

Prevalence in AN-R

n for AN-BP

Prevalence in AN-BP

Alcohol

25

12,655

84.08%

0.08,0.13

10%

1752

3%

1138

15%

Cannabis

6

1379

88.65%

0.02,0.12

6%

551

0%

461

4%

Polysubstance

3

1187

 

0.01,0.04

3%

520

2%

436

4%

Amphetamine

4

1203

92.79%

0.00,0.15

5%

520

0%

436

0%

Sedative/hypnotic

3

1190

 

0.00,0.03

1%

582

0%

472

1%

Cocaine

5

1280

83.02%

0.00,0.08

3%

548

0%

471

1%

Hallucinogen

2

1092

 

0.00,0.01

0%

520

0%

436

0%

Opioid

1*

956

 

0.00,0.01

0%

520

0%

436

0%

Inhalant

2

1054

 

0.00,0.00

0%

582

0%

472

0%

Narcotic

1*

136

 

0.00,0.05

1%

N/A

N/A

N/A

N/A

Other substances

4

1098

88.92%

0.00,0.14

4%

551

0%

461

0%

Substance Use Disorder Total

15

3118

86.3%

0.11,0.20

16%

1635

7%

1058

18%

Drug Abuse/ Dependence Total

13

10,443

81.1%

0.05,0.09

7%

278

5%

235

9%

  1. *not derived from mete-analysis data, ** I2 only derived when pooled meta-analysis included 4 or more studies, I2 for AN prevalence
  2. AN anorexia nervosa; AN-BP anorexia nervosa binge-eating/purge type; AN-R anorexia nervosa restrictive type; CIs confidence intervals; k amount of studies