Table 2.

Bivariate correlations between potential confounding factors and COVID-19 indices.

Index	COVID-19 prevalence	COVID-19 mortality rate	COVID-19 case fatality rate
Median age	ρ = 0.274	ρ = 0.373	ρ = 396
	p = 0.008*	p < 0.001*	p < 0.001*
Gini coefficient	ρ = -0.110	ρ = -0.119	ρ = -0.132
	p = 0.324	p = 0.299	p = 0.249
Hospital bed availability per 100,000 population	ρ = 0.076	ρ = 0.210	ρ = 0.262
	p = 0.471	p = 0.051	p = 0.014*

Abbreviations: ρ, Spearman's correlation coefficient.

* Significant at p < 0.05.