| Not vaccinated against influenza | Test | df | p-value | Odds ratio | 95% C.I* for Odds ratio | |
| Lower | Upper | |||||
| Invasive ventilation | 922.680 | 1 | <0.001 | 1.451 | 1.417 | 1.486 |
| Constant | 25,081.133 | 1 | <0.001 | 0.160 |
|
|
| ICU admission | 891.416 | 1 | <0.001 | 1.328 | 1.303 | 1.356 |
| Constant | 11,449.833 | 1 | <0.001 | 0.386 |
|
|
| Death | 601.280 | 1 | <0.001 | 1.249 | 1.227 | 1.271 |
| Constant | 6834.456 | 1 | <0.001 | 0.496 |
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