Table 2 Comparison of clinical symptoms and signs between the two groups
Symptom and sign | Total (n = 100) | Non-fatal (n = 80) | Fatal (n = 20) | Wald x2 value | p value | OR (95% CI) |
|---|---|---|---|---|---|---|
Fever | 98 (98%) | 78 (97.5%) | 20 (100%) | 0.510 | 0.475 | 0.975 (0.941–1.010) |
Fatigue | 68 (68%) | 53 (66.2%) | 15 (75%) | 0.563 | 0.453 | 0.654 (0.215–1.992) |
Myalgia | 52(52%) | 43(53.8%) | 9(45%) | 0.491 | 0.484 | 1.420 (0.531–3.802) |
Headache | 22 (22%) | 17 (21.3%) | 5 (25%) | 0.131 | 0.717 | 0.810(0.258–2.544) |
Disturbance of consciousness | 39 (39%) | 26 (32.5%) | 13 (65) | 7.104 | 0.008 | 0.259 (0.092–0.727) |
Cough | 20(20%) | 14(17.5%) | 6(30%) | 1.563 | 0.211 | 0.495 (0.162–1.521) |
Expectoration | 19 (19%) | 13 (16.3%) | 6 (30%) | 1.966 | 0.161 | 0.453(0.147–1.396) |
Respiratory failure | 5 (5%) | 1 (1.3%) | 4 (20%) | 11.842 | 0.001 | 0.051 (0.005–0.483) |
Anorexia | 80(80%) | 63(78.8%) | 17(85%) | 0.391 | 0.532 | 0.654 (0.171–2.496) |
Vomiting | 27 (27%) | 21 (26.3%) | 6 (30%) | 0.114 | 0.735 | 0.831 (0.283–2.441) |
Diarrhea | 24 (24%) | 19 (23.8%) | 5 (25%) | 0.014 | 0.907 | 0.934 (0.300–2.909) |
Hemorrhagic manifestation | 20 (20%) | 7 (8.8%) | 13(65%) | 31.641 | < 0.001 | 0.052 (0.016–0.172) |
Liver dysfunction | 60 (60%) | 53 (66.3%) | 17 (85%) | 2.679 | 0.102 | 0.346 (0.093–1.286) |
Kidney dysfunction | 35 (35%) | 17 (21.3%) | 18 (90%) | 33.242 | < 0.001 | 0.030 (0.006–0.142) |
Shock | 17 (17%) | 4 (5%) | 13 (65%) | 40.822 | < 0.001 | 0.028 (0.007–0.111) |