Table 3 Meta-analyses of studies examining the effects of pharmacotherapy versus placebo for anorexia nervosa

Pharmacotherapy vs. placebo

20

0.33

0.14 ~ 0.52

3.47

0.00

31.71

40.08

Outlier removed

19

0.25

0.11 ~ 0.39

3.45

0.00

16.28

0.00

Antidepressants vs. placebo

4

0.26

-0.04 ~ 0.56

1.73

0.08

2.11

0.00

Antipsychotics vs. placebo

6

0.25

-0.09 ~ 0.60

1.43

0.15

3.74

0.00

Hormonal treatment vs. placebo

All studies

10

0.42

0.11 ~ 0.73

2.67

0.01

25.50

64.70

Outlier removed

9

0.26

0.04 ~ 0.47

2.37

0.02

10.41

23.15

One effect size per study (highest excluded)

8

0.21

0.02 ~ 0.39

2.19

0.03

7.09

1.26

One effect size per study (lowest excluded)

8

0.45

0.07 ~ 0.83

2.31

0.02

25.39

72.43