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Table 5 Evaluation of established RCT filters

From: Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation

Study filters Hits in MEDLINE Sensitivity NRCTs
Therapy Medline (Haynes 2005) – max. Sensitivity 5.213.988 54%
Therapy Medline (Haynes 2005) – max. Specifity 485.918 13%
Therapy Medline (Haynes 2005) – optimizing sensitivity/specifity 796.127 16%
Cochrane Search Strategy (2008) – sensitivity-max. 3.581.596 57%
Cochrane Search Strategy (2008) – sensitivity and precision-max. 1.057.717 37%