TABLE 1

Description of patients with scrub typhus meeting the scrub typhus infection criteria

CRF no.dDays of feverSexaAge (yr)Admission InBios IgM ODAdmission IgM IFAConvalescent IgM IFAAdmission IgM IFA ≥12,800In vitro isolation positivePCR positiveIgM IFA ≥4-fold increase
45M484.54≥25,600≥25,600X
610M444.82≥25,600≥25,600X
8F444.39≥25,600≥25,600X
2210F354.1612,800NSXX
278F404.18≥25,600≥25,600XXX
408F810.0650200X
453M840.0650100X
573M710.06≥25,60050XX
585F343.83≥25,6001,600XXX
607F381.10≥25,600≥25,600XX
6411F544.2812,800NSbX
675M450.10100400X
754M460.105050X
767M394.7012,800NSX
798M314.45≥25,600≥25,600XXX
937F434.73≥25,600≥25,600XX
977M154.44100≥25,600XX
1014MNAc0.6240012,800X
1035M444.14≥25,600≥25,600XX
1094M420.15100400X
1134M320.1250200X
11610M204.44≥25,600≥25,600XX
11710M185.17≥25,600≥25,600X
1225M444.5912,800NSXX
1235M440.1750400X
1242M560.1450400X
1253M490.0950200X
1277M360.784001,600XX
1297F550.2550200X
1304M290.30200800X
1321M520.2850800X
1365M290.52200≥25,600XXX
1452M410.1550800X
1466M400.09501,600X
1476M380.11100400X
1488M493.043,200≥25,600XX
1585F573.75≥25,600≥25,600XXX
1627M320.96800≥25,600X
1672M580.1650200X
1686M510.0950800X
1707F584.4912,8003,200XX
1714F414.776,400≥25,600XX
17210F264.48≥25,600≥25,600XX
TotalMedian, 5.5M, 69.8%; F, 30.2%Median, 43.51971921
  • a M, male; F, female.

  • b NS, no serum.

  • c NA, not available.

  • d CRF no., Chiangrai fever study number.