Fig. 3From: Invasive meningococcal disease in England: assessing disease burden through linkage of multiple national data sourcesInterval in days between the hospital admission date and the PCR-testing date for MRU-confirmed cases that were coded as meningococcal disease (A39*) in HES (MRU+/HESA39+) and for HES cases coded as meningococcal disease (A39*) in HES but with a negative PCR-test by the MRU (HES+/MRU-)Back to article page