From: Impact of heat treatment on Dirofilaria immitis antigen detection in shelter dogs
Region
N
Number false NAD (%)
95% CIa
All
558
29 (5.2)
3.5, 7.4
North
188
6 (3.2)
1.2, 6.8
South
191
14 (7.3)
4.0, 12.0
West
179
9 (5.0)
2.3, 9.3