Variable | Total (472,668) | % | Survivors (295,028) | % | Deaths (177,640) | % | *X2 | p-value survivors v.s. deaths |
Vaccinated against influenza | 62,771 | 13.28 | 41,955 | 14.22 | 20,816 | 11.71 | 281,259 | <0.001 |