Table 2.

Host population type as a predictor of variation in pathogen traits upon introduction and after experimental evolution.

	d.f.	Test statistic	p
Host mortality
Monocultureanc vs. monocultureevo		W = 5508	0.006
Polycultureanc vs. polycultureevo		W = 278	0.02
Monocultureanc vs. polycultureanc	27	F = 0.67	0.41
Monocultureevo vs. polycultureevo	27	F = 21.99	<0.001
Infection load
Monocultureanc vs. monocultureevo		W = 4662	<0.001
Polycultureanc vs. polycultureevo	58	t = −1.91	0.062
Monocultureanc vs. polycultureanc	27	F = 26.83	<0.001
Monocultureevo vs. polycultureevo	27	F = 17.59	<0.001

Statistically significant p-values are in bold.