SFTS score | Sensitivity (95% CI) | Specificity (95% CI) | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95% CI) |
---|---|---|---|---|
A. SFTS vs. eschar-positive and -negative scrub typhus | ||||
 ≥2 | 0.931 (0.879–0.964) | 0.961 (0.938–0.976) | 23.905 (14.211–39.547) | 0.071 (0.037–0.128) |
 3 | 0.422 (0.376–0.431) | 0.996 (0.976–1.000) | 97.382 (15.379–1903.086) | 0.581 (0.569–0.640) |
B. SFTS vs. eschar-negative scrub typhus | ||||
 ≥2 | 0.931 (0.889–0.952) | 0.939 (0.850–0.983) | 15.212 (5.925–54.850) | 0.073 (0.048–0.131) |
 3 | 0.422 (0.382–0.422) | 1.000 (0.918–1.000) | NA | 0.578 (0.578–0.673) |
C. SFTS vs. rash-negative scrub typhus | ||||
 ≥2 | 0.931 (0.890–0.952) | 0.903 (0.768–0.972) | 9.624 (3.836–34.539) | 0.076 (0.049–0.143) |
 3 | 0.422 (0.384–0.422) | 1.000 (0.875–1.000) | NA | 0.578 (0.578–0.705) |