Is Procalcitonin Useful in the Diagnosis and Treatment of Acute Respiratory Infections in the Emergency Department?

A total of 32 randomized controlled trials (9,909 patients) met inclusion criteria. However, individual participant data were available from only 26 trials (6,708 patients), which were used in the individual participant data meta-analysis displayed in the Table. A sensitivity aggregate analysis was performed on all 32 trials, and in this analysis, mortality was not significantly different in the procalcitonin group compared with the control group.

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