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Table 6 Risk of bias assessment for the three impact studies

From: Development, validation and effectiveness of diagnostic prediction tools for colorectal cancer in primary care: a systematic review

  Randomsequencegeneration Allocationconcealment Baselineoutcomemeasurementssimilar Baselinecharacteristicssimilar Incompleteoutcomedata Knowledge ofthe allocatedinterventionsadequatelypreventedduring the study Protectionagainstcontamination Selectiveoutcomereporting Other risksof bias
Randomised controlled trials
Emery 2017 [56] x
Pre-post study
Hamilton2013 [55] N/A N/A N/A N/A ? N/A N/A ? x
Cross-sectional survey
Price andcolleagues2019 [16] N/A N/A N/A ? ? N/A x
  1. Abbreviations: N/A Not applicable. Key: , low risk; x, high risk; ?, unclear risk