A CSF procalcitonin level >0.5 ng / ml had a sensitivity for bacterial meningitis of 50%, specificities 97%, positive predictive value 96%, negative predictive value 56%.
PCT / DNT ở ngưỡng nồng độ 0,5 ng / mL có ĐN: 50%, ĐĐH: 97%, GTTĐ (+): 96%, GTTĐ (-): 56%.