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. 2009 Jul 8;2009(3):CD007954. doi: 10.1002/14651858.CD007954

2. Methodological quality of included studies.

Author and year Sample size adequacy Concealment Treatment description Representative sample Diagnostic criteria Withdrawals Outcome measures Total
Barge‐Schaapveld 2002 2 2 2 1 2 1 2 31
Blashki 1971 2 2 2 1 1 2 2 30
Brink 1984 0 0 2 2 2 2 2 26
Doogan 1994 2 2 2 2 2 1 1 30
Feighner 1979 2 2 2 1 2 2 2 27
Hollyman 1988 2 2 2 2 2 2 2 38
Lecrubier 1997 0 0 2 2 2 2 2 32
Lepola 2001 2 0 2 1 2 2 2 28
Malt 1999 2 2 2 2 2 2 2 34
Mynors‐wallis 1995 2 2 2 2 2 1 2 34
Philipp 1999 2 0 2 2 2 2 2 37
Thompson 1989 0 0 2 2 2 1 2 26
Thomson 1982 0 0 2 2 1 2 2 25
Wade 2002 2 2 2 1 2 2 2 32