Does the Pulmonary embolism rule-out criteria (PERC) accurately rule out pulmonary embolism in clinically low probability population settings?
The PERC rule can be confidently used to rule out pulmonary embolism in patients with a low clinical probability.
Because of the high sensitivity and low negative likelihood ratio, PERC rule can be used confidently in clinically low probability population settings.
Singh et al. (Thu,) studied this question.