Meta‐analyses for oral anticoagulants and left atrial appendage thrombus resolution in nonvalvular atrial fibrillation: Piecing the puzzle together

Efficacy and Safety Profile of Novel Oral Anticoagulants in the Treatment of Left Atrial Thrombosis: A Systematic Review and Meta-Analysis

“…However, the study type, baseline characteristics, and risk of bias were all different between the X-TRA and CLOF-AF studies, which made the comparison between NOACs and warfarin challenging. 25 This questionable inclusion may have incorrectly altered the direction and magnitude of the pooled effect noted.…”