Test Characteristics of Cerebrospinal Fluid Gram Stain to Identify Bacterial Meningitis in Infants Younger Than 60 Days

AbstractIn our cohort of 20,947 infants aged 60 days or younger, cerebrospinal fluid Gram stain had a sensitivity of 34.3% (95% confidence interval, 28.1%–41.1%) and a positive predictive value of 61.4% (95% confidence interval, 52.2%–69.8%) for positive cerebrospinal fluid culture, suggesting that