Definition of policy for Students plural policies : a document that contains the agreement made by an insurance company with a person whose life or property is insured
Conclusions: The broad nature of the CPTED approach allows its adaptation to any setting, and results indicate that it is an effective approach to reducing robbery. However, most interventions were not evaluated independently of other factors contributing to robbery risk.
Tube thoracostomy, image directed catheters, thoracoscopic drainage, intrapleural thrombolytics, decortications and open drainage have all been used with success rates ranging from 10 to 90%.[3,4] The variable success rates of these procedures can be attributed, in part, to the stage of the empyema at presentation.