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Table 1 Main characteristics of selected trials related to biasTrial

From: Is there a role for consolidative radiotherapy in the treatment of aggressive and localized Non-Hodgkin Lymphoma? A systematic review with meta-analysis

  Year of Publication Random Assignment Allocation Concealment Withdrawn Description α-error β-error ITT Site Sponsor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