Table 3 Correlation test for input-output variables
From: COVID-19 and the efficiency of health systems in Europe
| Â | First wave period | Relaxation period | Second wave period |
|---|---|---|---|
| Â | (deaths) | (deaths) | (deaths) |
deaths | 1 | 1 | 1 |
cases | 0.973 | 0.940 | 0.967 |
beds | 0.214 | 0.040 | 0.143 |
health expenditure | 0.107 | 0.319 | 0.276 |
physicians | 0.403 | 0.373 | 0.340 |
nurses_ | 0.072 | 0.132 | 0.081 |