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Young C, Sinclair A, Black C, et al. Internet-Delivered Cognitive Behavioural Therapy for Post-Traumatic Stress Disorder: A Health Technology Assessment [Internet]. Ottawa (ON): Canadian Agency for Drugs and Technologies in Health; 2019 Dec. (CADTH Optimal Use Report, No. 9.3b.)

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Internet-Delivered Cognitive Behavioural Therapy for Post-Traumatic Stress Disorder: A Health Technology Assessment [Internet].

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Appendix 8Critical Appraisal of Primary Studies

Table 18Cochrane Risk of Bias Assessment for Included Randomized Controlled Trials

Selection BiasPerformance BiasDetection BiasAttrition BiasReporting BiasOther Bias
Study CitationRisk of Bias in Sequence GenerationRisk of Bias in Allocation ConcealmentRisk of Bias in Binding of Participants and PersonnelRisk of Bias in Binding of Outcome AssessmentRisk of Bias From Incomplete Outcome DataRisk of Bias From Selective Outcome ReportingRisk of Bias From Other Biases
Engel (2015)54LowUnclearHighLowLowLowLow
Ivarsson (2014)69LowUnclearHighLowLowLowHigh
Knaevelsrud (2015)68LowUnclearHighLowHighLowLow
Krupnick (2017)66UnclearUnclearHighLowHighLowHigh
Kuhn (2017)53LowUnclearHighLowLowLowLow
Lewis (2017)52LowLowHighLowLowLowHigh
Littleton (2016)70LowUnclearHighHighLowLowLow
Litz (2007)71UnclearUnclearHighLowHighLowHigh
Miner (2016)67UnclearUnclearHighLowLowLowLow
Spence (2011)55LowUnclearHighHighHighLowUnclear

Note: The assessment rating judgements in the table were made by the authors of the Cochrane review.

Source: Lewis et al. (2018).40

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Bookshelf ID: NBK554873

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