Table 2.

Parameters (β = regression coefficient; se = standard error, t = t-test; p = p-value) of the multiple regression analyses predicting COVID-19 cumulative incidence, case fatality rate and cumulative deaths in March 2020 among the Italian population aged ≥65 by region.

Variables		Outcomes
	Cumulative incidence	Cumulative death rate	Case fatality rate
	β se t p	β se t p	β se t p
Constant	10.94 13.67 0.80 0.437	114.0 26.36 4.33 0.0005	23.44 5.317 4.41 0.0004
Deprivation index	−0.919 0.434–2.12 0.052	−3.151 1.535–2.05 0.057	−0.601 0.310–1.94 0.070
Circulating vehicles (N/1000 residents)	0.227 0.068 3.35 0.005	–	–
Average march temperature	−0.641 0.561–1.14 0.272	–	–
Population density	0.024 0.007 3.45 0.004	0.057 0.026 2.16 0.046	0.013 0.006 1.89 0.075
Vaccination rate	−0.265 0.128–2.06 0.058	−1.322 0.469–2.82 0.012	−0.245 0.094–2.59 0.020
Adjusted R2	0.723	0.410	0.401