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. Author manuscript; available in PMC: 2014 Sep 15.
Published in final edited form as: Cochrane Database Syst Rev. 2011 Jun 15;(6):CD004718. doi: 10.1002/14651858.CD004718.pub3

Comparison 18.

PHASE-SPECIFIC INTERVENTION versus CONTROL (Exploratory meta-analysis)

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Leaving the study early 3 192 Risk Ratio (M-H, Fixed, 95% CI) 0.72 [0.41, 1.29]
2 Hospitalisation 2 168 Risk Ratio (M-H, Fixed, 95% CI) 0.97 [0.61, 1.54]