Table 2.

Analysis of Variance Showing Differences in the Mean Titers of Bodies and Legs Between Doses and Incubation Periods

	df (num., denom.)	F	p
Variable	Body titer
IP	1, 73	2.07	0.155
Dose	1, 73	18.85	<0.0001
IP×dose	3, 73	6.94	0.0004

	Leg titer
IP	1, 56	0.01	0.924
Dose	1, 56	4.38	0.041
IP×dose	3, 56	2.94	0.041

Significant P-values are in bold.

num, numerator; denom, denominator; IP, incubation period.