BMJ : British medical journal
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Review Meta Analysis
Systematic review and meta-analysis of strategies for the diagnosis of suspected pulmonary embolism.
To assess the likelihood ratios of diagnostic strategies for pulmonary embolism and to determine their clinical application according to pretest probability. ⋯ The accuracy of tests for suspected pulmonary embolism varies greatly, but it is possible to estimate the range of pretest probabilities over which each test or strategy can confirm or rule out pulmonary embolism.