Table 1.
The prevalence of pre-existing illnesses between confirmed and possible COVID-19 cases using the Kruskal-Wallis test
| Pre-exiting illnesses |
Confirmed COVID-19
( n =475) |
Possible COVID-19 ( n =648) | 2 | p -value |
|---|---|---|---|---|
| Diabetes | 2.7% (n=13) | 1.2% (n=8) | 3.4 | 0.06 |
| Hypertension | 5.7% (n=27) | 1.4% (n=9) | 16.3 | <0.001 |
| Respiratory illness | 6.1% (n=29) | 0.9% (n=6) | 24.3 | <0.001 |
| Heart disease | 2.3% (n=11) | 0.6% (n=4) | 6.0 | 0.014 |
| Rheumatic or autoimmune diseases under treatment | 2.1% (n=10) | 0.8% (n=5) | 3.7 | 0.054 |
| Under treatment with oral or injectable corticosteroids | 1.1% (n=5) | 0.3% (n=2) | 2.4 | 0.12 |
| Liver or kidney failure | 1.5% (n=7) | 0 | 9.6 | 0.002 |
| Other pre-existing diseases | 4.8% (n=23) | 1.5% (n=10) | 10.5 | 0.0012 |
| None | 78.5% (n=373) | 94.6% (n=613) | 143.5 | <0.001 |