Table 1.

Phase II and phase III studies included in analysis.

Clinical Trial Identifier	Phase	Number of patients enrolled	Number of patients excluded from multivariate analysis
NCT00267748	II	289	79
NCT00077974	II	106	27
NCT00137423	II	107	31
NCT00054886	II	63	13
NCT00338884	II	119	40
NCT00835978	II	213	43
NCT00065468	III	616	94
NCT00678392	III	714	73
NCT00083889	III	735	68
NCT00474786	III	501	83
NCT00631371	III	784	108
NCT00920816	III	409	61