Table 1. Effect of valacyclovir on the incidence of salivary gland hypertrophy in Glossina pallidipes, analysis of variance and pairwise comparison of treatment means.

	Meana	Variance	Detransformed mean
Valacyclovir	0.022499	0.003948	0.000506
Positive control	0.15367	0.023355	0.023429
Negative control	0.100026	0.011388	0.009972

F = 8.66.

d.f. = 2, 80.

P = 0.00039.

T values for comparison of means.