Table 3.

Comparison of protective levels and percentage of rabies virus neutralization antibody (different age groups A to B) titers in previously vaccinated and unvaccinated adult stray dogs

Day	Group A		Group B		P value
	Stray (ownerless) dogs with previous vaccination history;Age > one year (n = 47)		Stray (ownerless) dogs without previous vaccination history;Age > one year (n = 47)
	No. with antibody titre ≥0.5 IU/ml	% with antibody titre ≥0.5 IU/ml	No. with antibody titre ≥0.5 IU/ml	% with antibody titre ≥0.5 IU/ml
0	33	70.21	3	6.4	0.000*
30	47	100	41	87.23	0.026*
180	47	100	41	87.23	0.059
360	39	82.98	28	59.57	0.041*

*Indicates the significance level at 0.05 when groups A (Stray dogs with previous vaccination history) & B (Stray dogs without previous vaccination history) are compared