Table 3.
Comparison of clinical symptoms and signs between the survivor and non-survivor groups.
| N | Survivors (n=59) | Non-survivors (n=10) | χ2 | P | |
|---|---|---|---|---|---|
| Headache | 26 | 22 (37.3) | 4 (40.0) | 0.027 | 0.870 |
| Chills | 47 | 41 (69.5) | 6 (60.0) | 0.355 | 0.551 |
| Muscle soreness | 41 | 36 (61.0) | 5 (50.0) | 0.430 | 0.512 |
| Joint pain | 30 | 28 (47.5) | 2 (20.0) | 2.623 | 0.105 |
| Nausea and vomiting | 51 | 43 (72.9) | 8 (80.0) | 0.225 | 0.635 |
| Lack of appetite | 68 | 59 (100.0) | 9 (90.0) | # | 0.145 |
| Abdominal pain | 15 | 13 (22.0) | 2 (20.0) | 0.021 | 0.885 |
| Diarrhea | 29 | 24 (40.7) | 5 (50.0) | 0.305 | 0.581 |
| Cough | 34 | 31 (52.5) | 3 (30.0) | 1.738 | 0.187 |
| Hemoptysis | 29 | 26 (44.1) | 3 (30.0) | 0.695 | 0.405 |
| Melena | 3 | 3 (5.1) | 0 (0.0) | # | 1.000 |
| Subcutaneous hemorrhagic spot | 41 | 33 (55.9) | 8 (80.0) | 2.054 | 0.152 |
| Lymphadenectasis | 58 | 49 (83.1) | 9 (90.0) | 0.308 | 0.579 |
| Pulmonary rales | 40 | 33 (55.9) | 7 (70.0) | 0.695 | 0.405 |
| Gastrointestinal bleeding | 5 | 4 (6.8) | 1 (10.0) | # | 0.555 |
| Sinus tachycardia | 6 | 5 (8.5) | 1 (10.0) | # | 1.000 |
| Sinus bradycardia | 13 | 10 (16.9) | 3 (30.0) | 0.952 | 0.329 |
| Premature beat | 11 | 8 (13.6) | 3 (30.0) | 1.725 | 0.189 |
| Conduction block | 3 | 3 (5.1) | 0 (0.0) | # | 1.000 |
| Atrial fibrillation | 10 | 8 (13.6) | 2 (20.0) | 0.286 | 0.593 |
| Abnormal t wave | 17 | 16 (27.1) | 1 (10.0) | 1.350 | 0.245 |
#
indicates that Fisher’s exact test was used.