Table 1.
Baseline clinical characteristics of the 11 patients with SFTS.
| SFTS (n = 11) | |
|---|---|
| Age mean years ± SD | 60 ± 7 |
| Male sex | 8 (73) |
| Season (months) | |
| Spring–summer (3–8) | 4 (36) |
| Fall (9–11) | 7 (64) |
| Eschar | 3 (27) |
| Clinical characteristics | |
| Fever | 11 (100) |
| Skin rash | 0 (0) |
| Headache | 5 (45) |
| Altered mental status | 7 (64) |
| Underlying disease | |
| Previous healthy | 3 (27) |
| Diabetes | 2 (18) |
| Solid tumor | 0 |
| Chronic liver disease | 0 |
| Chronic kidney disease | 0 |
| Immunosuppressive condition | 0 |
| Leukocytosis (WBC > 10,000/mm3) | 0 |
| Leukopenia (WBC < 4000/mm3) | 10 (91) |
| Thrombocytopenia (platelet, <150 × 103/mm3) | 11 (100) |
| Normal CRP (≤1.0 mg/dL) | 10 (91) |
| Renal dysfunction | 4 (36) |
| Clinical course | |
| ICU admission | 6 (55) |
| In-hospital mortality | 1 (9) |
| Treatment | |
| Doxycycline | 9 (82) |
| Ribavirin | 8 (73) |
Abbreviations: WBC, white blood cell; CRP, C-reactive protein; ICU, intensive care unit; SFTS, severe fever with thrombocytopenia syndrome; SD, standard deviation. Note: Data are no. (%) of patients, unless otherwise indicated.