Table 1 Main characteristics of selected trials related to biasTrial
Year of Publication | Random Assignment | Allocation Concealment | Withdrawn Description | α-error | β-error | ITT | Site | Sponsor | |
|---|---|---|---|---|---|---|---|---|---|
SWOG 8736 | 1998 | Adequate | Unclear | Yes | No | No | Yes | Multicentric | Public |
ECOG 1484 | 2004 | Adequate | Adequate | Yes | Yes | Yes | Yes | Multicentric | Public |
GELA LNH 93-1 | 2005 | Adequate | Adequate | No | Yes | Yes | Yes | Multicentric | Both |
GELA LNH 93-4 | 2007 | Adequate | Adequate | No | Yes | Yes | Yes | Multicentric | Both |