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Table 4 Summary statistics for circular and non-circular high-risk clusters of COVID-19 case fatality rates and mortality risks

From: Geographic disparities in COVID-19 testing and outcomes in Florida

Outcome variable

Cluster

Cases/100,000

Population

Observed cases

Expected cases

No. of counties

p-value

COVID-19 case fatality rate

Cluster 1

2.5a

50,088

1,257

760

7

0.001

Cluster 2

2.3a

11,992

278

182

1

0.001

Cluster 3

3.0a

3,193

100

51

1

0.001

Cluster 4

6.6a

209

13

3

1

0.016

Number of COVID-19 deaths per 100,000 persons

Cluster 1

36

8,060,811

2,870

1,738

10

0.001

Cluster 2

37

381,071

139

82

1

0.001

Cluster 3

29

971,022

278

209

1

0.002

  1. aExpressed as a percentage