From: Evaluation of feline heartworm disease based on gross necropsy, serology, pulmonary histopathology, and radiographic evidence in adult shelter cats in northeastern Alabama
Effect
Num DF
Den DF
Chi-square
F-value
Pr > ChiSq
Pr > F
HW_Ab1
1
45
31.75
< .0001
HW_Ab2
10.76
0.0010
0.0020
HW_Ag (heat-treated)
0.09
0.7695
0.7708
Radiographs
8.95
0.0028
0.0045