Figure 3From: Microarray of surface-exposed proteins of rickettsia heilongjiangensisfor serodiagnosis of Far-eastern spotted fever Linear regression analysis to examine potential relationships between the IgG titers of FESF patient sera (n = 54) and the numbers of rSEPs recognized by these sera. The IgG titer of each serum in IFA was log transformed. The analysis was conducted using GraphPad Prism 5 software (GraphPad Software, Inc., San Diego, CA).Back to article page