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Table 3 Statistics for fitted regression lines to assess the trend in incidence of positive heartworm antigen test results across 2013–2016

From: Increasing incidence of Dirofilaria immitis in dogs in USA with focus on the southeast region 2013–2016

State/Region

R 2

F-value

P-value

United States

0.9968

631.16

0.0016

Alabama

0.9667

58.03

0.0168

Arkansas

0.8043

8.22

0.1032

Florida

0.6924

4.50

0.1679

Georgia

0.6111

3.14

0.2183

Louisiana

0.9681

60.63

0.0161

Mississippi

0.4810

1.85

0.3065

Missouri

0.9994

3505.81

0.0003

North Carolina

0.9186

22.56

0.0416

Oklahoma

0.7444

5.82

0.1372

South Carolina

0.7296

5.40

0.1458

Tennessee

0.8590

12.18

0.0732

Texas

0.9573

44.89

0.0216