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Table 1 The IgG titers of paired sera from patient suffered from FESF in IFA

From: Microarray of surface-exposed proteins of rickettsia heilongjiangensisfor serodiagnosis of Far-eastern spotted fever

Patients no. Acute-phase serum sample Convalescent-phase serum sample Diagnostic criteria
1 128 512 Fourfold increase
2 64 1024 Fourfold increase
3 256 512 IgG titer ≥128
4 64 256 Fourfold increase
5 32 512 Fourfold increase
6 128 1024 Fourfold increase
7 128 1024 Fourfold increase
8 256 512 IgG titer ≥128
9 32 512 Fourfold increase
10 256 256 IgG titer ≥128
11 64 1024 Fourfold increase
12 64 1024 Fourfold increase
13 64 512 Fourfold increase
14 128 1024 Fourfold increase
15 128 1024 Fourfold increase
16 64 512 Fourfold increase
17 64 1024 Fourfold increase