Fig. 1From: Evaluation of low cryptococcal antigen titer as determined by the lateral flow assay in serum and cerebrospinal fluid among HIV-negative patients: a retrospective diagnostic accuracy studyFlow-chart to show individuals included and excluded from the study. a Three of the 149 patients were tested of low CrAg LFA titers in both serum and CSF, resulting in 152 samples included. Abbreviations: CrAg, cryptococcal antigen; CSF, cerebrospinal fluid.Back to article page