Table 3A.
Factors associated with the risk of death.
| Univariable |
Multivariable |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n/N | % | cOR | 95% CI | p | n/N | % | aOR | 95% CI | p | ||
| Sex | Female | 18/651 | 3% | – | – | – | 18/643 | 3% | – | – | – |
| Male | 68/1,151 | 6% | 2.2 | [1.3; 3.8] | 0.002 | 68/1,144 | 6% | 2.0 | [1.1; 3.6] | 0.019 | |
| Age | <60 years | 33/1,402 | 2% | – | – | – | 33/1,400 | 2% | – | – | – |
| ≥60 years | 53/388 | 14% | 6.5 | [4.2; 10.4] | <0.001 | 53/387 | 14% | 2.9 | [1.7; 4.8] | <0.001 | |
| Diabetes | No | 58/1,586 | 4% | – | – | – | 58/1,570 | 4% | – | – | – |
| Yes | 28/219 | 13% | 3.9 | [2.4; 6.2] | <0.001 | 28/217 | 13% | 1.3 | [0.8; 2.3] | 0.32 | |
| Chronic hypertension | No | 41/1,419 | 3% | – | – | – | 41/1,403 | 3% | – | – | – |
| Yes | 45/386 | 12% | 4.4 | [2.9; 6.9] | <0.001 | 45/384 | 12% | 2.1 | [1.2; 3.4] | 0.006 | |
| Initial severity gradea | Mild | 18/867 | 2% | – | – | – | 18/857 | 2% | – | – | – |
| Moderate | 22/761 | 3% | 1.4 | [0.7; 2.7] | 0.30 | 22/753 | 3% | 1.3 | [0.7; 2.6] | 0.37 | |
| Severe | 46/177 | 26% | 16.4 | [9.4; 30.0] | <0.001 | 46/177 | 26% | 9.0 | [5.0; 16.8] | <0.001 | |
| Time since first symptom | ≤7 days | 31/778 | 4% | – | – | – | – | – | – | – | – |
| >7 days | 27/510 | 5% | 1.4 | [0.8; 2.3] | 0.28 | – | – | – | – | – | |
n = total number of patients in the category; n = number of patients in the category who died; CI: confidence interval; cOR: crude odds ratio; aOR: adjusted odds ratio: the OR for each variable shown in the table was adjusted on the other variables shown in the table.
a
See reference (WHO, 2020b).