Table 6
Contingency table of outcomes by risk factors
| Outcome | Risk factors, n (%) | |||||||||||
| Age | Sex | Symptomatic | Illness Severity | |||||||||
| 20–29 | 30–39 | 40–49 | 50–59 | 60–69 | >70 | Female | Male | No | Yes | No | Yes | |
| Illness severity, n=32 | 3 (9.4) | 13 (40.6) | 4 (12.5) | 6 (18.8) | 5 (15.6) | 1 (3.1) | 16 (50) | 16 (50) | 2 (6.3) | 30 (93.8) | – | – |
 |  |  |  | – | ||||||||
| α | 0.285 | 0.952 | 0.000 | – | ||||||||
| Fishers exact | 0.199 | 1.000 | 0.000 | – | ||||||||
| Mortality, n=7 | 0 (0.0) | 1 (14.3) | 0 (0.0) | 2 (28.6) | 3 (42.9) | 1 (14.3) | 1 (14.3) | 6 (85.7) | 2 (28.6) | 5 (71.4) | 6 (85.7) | 1 (14.3) |
 |  |  |  |  | ||||||||
| α | 0.002 | 0.053 | 0.608 | 0.754 | ||||||||
| Fishers exact | 0.003 | 0.065 | 0.713 | 0.549 | ||||||||