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Table 2 Risk of bias assessment of included studies

From: The efficacy and safety of plasma exchange in patients with sepsis and septic shock: a systematic review and meta-analysis

Study Industry funding Random sequence generation Allocation concealment Blinding (participants/personnel) Blinding (outcome assessors) Incomplete outcome data Selective reporting Other bias Overall assessment
Reeves and colleagues [23] No Low Low Unclear Unclear Low Low Higha High
Busund and colleagues [24] NR Unclear Unclear Unclear Unclear Low Low Higha High
Nguyen and colleagues [25] No Unclear Unclear Unclear Unclear Low Low Unclear Unclear
Long and colleagues [26] NR Unclear Low Unclear Unclear Low Low Higha High
  1. NR, not reported. aHigh risk due to significant baseline imbalances.