| Symptoms |
|
| Fever >38.5°C |
97 (99) |
| Headache |
58 (59) |
| Vomiting |
34 (34.7) |
| Arthralgia |
29 (30) |
| Abdominal pain |
28 (28.6) |
| Myalgia |
28 (28.6) |
| Chills |
23 (23.6) |
Diarrhea
|
6 (6.1)
|
| Signs |
|
| Meningeal signs |
7 (7.1) |
| Splenomegaly |
7 (7.1) |
| Hepatomegaly |
6 (6.1) |
| Exanthema |
4 (4.1) |
| Jaundice |
3 (3.1) |
| Petechiae |
2 (2) |
Conjunctival injection
|
2 (2)
|
| Analytical findings |
|
| Median platelet count, × 103/mm3 (IQR) |
63.5 (45.7–87.5) |
| Thrombocytopenia, platelets <13 × 104/mm3
|
91 (92.9) |
| Hemoglobin, g/dL (IQR) |
13.1 (11.8–14.2) |
| Anemia |
32 (32.6) |
| Leukocytes, ×103/mm3 (IQR) |
7.9 (6.6–9.8) |
| Leukocytosis, >11,500/mm3
|
10 (10.2) |
| Neutrophils, median (IQR) |
79.9 (74.5–86.4) |
| Neutrophilia, neutrophils >65% |
91 (92.9) |
| Prothrombin activity, median (IQR) |
77 (70–87) |
| Decreased prothrombin activity, <70% |
7 (13.7) |
| Median INR (IQR) |
1.2 (1.1–1.3) |
| INR elevation, >1.51 |
7 (13.7) |
| SGOT, U/L (IQR) |
25 (20–35) |
| SGOT elevation, >37 U/L |
15 (21.7) |
| SGPT, U/L (IQR) |
25 (17–41) |
| SGPT elevation, >40 U/L |
10 (23.3) |
| Total bilirubin, mg/dL (IQR) |
1.1 (0.6–1.9) |
| Elevated bilirubin, >1.2 mg/dL |
37 (37.8) |
| Lactate dehydrogenase, U/L(IQR) |
397.5 (320.7–481.7) |
| Elevated LDH, >460 U/L |
16 (30.8) |
| Creatinine, mg/dL (IQR) |
0.94 (0.79–1.15) |
| Creatinine elevation, >1.2 mg/dL |
15 (15.3) |
| Creatine kinase, U/L (IQR) |
41 (27–75) |
| Elevated creatine kinase, >195 U/L |
3 (14) |
| C-reactive protein, mg/L (IQR) |
254.5 (218.2–335.3) |
Elevated C-reactive protein, >5 mg/L
|
98 (100)
|
| *Values are no. (%) except as indicated. INR, international normalized ratio; IQR, interquartile range; SGOT, serum glutamic-oxaloacetic transaminase; SGPT, serum glutamic-pyruvic transaminase. |
