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