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Table 2 Summary of risk of bias of included trials

From: Gastric tonometry guided therapy in critical care patients: a systematic review and meta-analysis

Authors Random sequence generation (selection bias) Allocation concealment (selection bias) Blinding of the pHi of the control group (performance bias) Blinding of outcome assessment (detection bias) Incomplete outcome data (attrition bias) Selective reporting (reporting bias)
Gutierrez and colleagues [15] Low risk Low risk Low risk Low risk Low risk Unclear risk
Ivatury and colleagues [17] Low risk Low risk Low risk Low risk Low risk Unclear risk
Pargger and colleagues [20] Unclear risk Unclear risk Low risk Low risk Low risk Unclear risk
Gomersall and colleagues [16] Low risk Low risk Unclear risk Low risk Low risk Unclear risk
Hameed and colleagues [18] Low risk Low risk Unclear risk Low risk Low risk Unclear risk
Palizas and colleagues [19] Unclear risk Unclear risk Low risk Low risk Low risk Unclear risk
  1. pHi, intramucosal pH.