Accuracy of search filters for finding predictor finding studies and clinical prediction model studies.

CI = confidence interval; PF = predictor finding; CDR = clinical prediction model; NNR = number needed to read; N.A. = not applicable.Meta-analysis 1 for PF studies = Systematic review of prognostic models in patients with acute stroke – C Counsell et.al. Cerebrovasc Dis 2001; 12:159–70.Meta-analysis 1 for CDR studies = Clinical prediction rules for pulmonary embolism: a systematic review and meta-analysis – E Ceriani et.al. JTH 2010;8:957–70.Meta-analysis 2 for CDR studies = Accuracy and quality of clinical decision rules for syncope in the emergency department: a systematic review and meta-analysis – LA Serrano et.al. Ann of Emerg Med 2010;56:362–73.