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Table 4 Research:need ratios for all sample years

From: Randomised trials relevant to mental health conducted in low and middle-income countries: a survey

Mental health problem

Number of trials

Number of participants

WHO YLD 2002

Ratio

Unipolar depressive disorders

36

2913

56484904

5.16

Schizophrenia

33

5270

14353406

36.72

Alcohol use disorders

7

434

13646427

3.18

Bipolar disorder

9

805

12472021

6.45

Panic disorder

6

272

5996378

4.54

Dementias

19

1418

5421155

26.20

Obsessive-compulsive disorder

3

202

4364394

4.63

Drug use disorders

13

5749

4064053

141.40

Post traumatic stress disorder

0

0

2842102

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  1. Mental Health Problems were sorted by WHO YLD 2002
  2. Ratio = Number randomised/YLD need (×10*6)