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