. 2021 Jul 8;151:111240. doi: 10.1016/j.chaos.2021.111240

Table 3.

Cluster mean of variables for COVID-19 confirmed cases.

Feature variables	Cluster 1	Cluster 2	Cluster 3	Cluster 4
Cum_confirm_cases	$-$ 0.065	0.241	1.906	$-$ 0.292
GDP_per_capita	$-$ 0.300	1.367	$-$ 0.611	$-$ 0.763
EPI	$-$ 0.079	1.371	$-$ 1.187	$-$ 1.035
HLT	$-$ 0.100	1.451	$-$ 0.957	$-$ 1.097
AIR	$-$ 0.1812	1.475	$-$ 1.184	$-$ 0.983
PMD	$-$ 0.351	1.392	$-$ 0.996	$-$ 0.680
HAD	0.043	1.220	$-$ 1.007	$-$ 1.088
H₂O	$-$ 0.000165	1.344	$-$ 0.688	$-$ 1.167
UWD	$-$ 0.090	1.412	$-$ 0.633	$-$ 1.105
Asthma	$-$ 0.246	$-$ 0.084	5.277	$-$ 0.027
Cardiovascular	$-$ 0.189	$-$ 0.0219	5.494	$-$ 0.185
Diabetes Mellitus	$-$ 0.212	$-$ 0.082	5.714	$-$ 0.116
Nutritional Def.	$-$ 0.189	$-$ 0.218	5.172	0.021
Respiratory Infect.	$-$ 0.194	$-$ 0.208	6.043	$-$ 0.056
Health exp	$-$ 0.412	1.441	$-$ 0.615	$-$ 0.670
tuberculosis cases	$-$ 0.250	$-$ 0.279	4.956	0.183
Alcohol consumption	0.128	0.578	0.046	$-$ 0.715
Smoking prevalence	0.203	0.142	$-$ 0.329	$-$ 0.393
Life expectancy	0.118	1.122	$-$ 0.400	$-$ 1.160