Table 1.
General observations and patient information for patients found positive by IgM and/or RT-PCR data
| General observations | 2010 (N = 298) | 2016 (N = 290) |
|---|---|---|
| Age (years), range | 17–68 | 11–68 |
| Age (years), median | 36 | 35 |
| Males | 145 | 131 |
| Females | 153 | 158 |
| Temperature range (°F) | 99–101 (98.6°F) | 99–101 (98.6°F) |
| Temperature median (°F) | 100 | 100 |
| Days of onset of fever (range) | 1–10 | 1–10 |
| Days of onset of fever (median) | 4 | 5 |
| Hemorrhagic symptoms,* n (%) | 33 (14.47) | 21 (10.5) |
| IgM+/RT-PCR−, n (%) | 101 (33.89) | 69 (23.67) |
| IgM−/RT-PCR+, n (%) | 141 (47.31) | 18 (6.33) |
| IgM+/RT-PCR+, n (%) | 56 (18.80) | 203 (70) |
| VAS (range) | 1–9 | 1–8 |
| VAS (median)† | 7 | 4 |
VAS = visual analogue score.
* Hemorrhagic symptoms include epistaxis, bleeding from the gums, positive Hess test, subconjunctival bleed, and petechial/purpuric rash.
† Statistically significant variable.