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Table 4 Cox regression analysis of the effects of host species and parasite isolate on time-to-host-death-since-exposure (virulence)

From: Genetic resistance and specificity in sister taxa of Daphnia: insights from the range of host susceptibilities

Independent variable/contrast

HR

z

P

Host species

1.13

0.91

0.36

Parasite isolate G-3 vs FI-OER-3-3

0.95

− 0.34

0.73

Parasite isolate NZ-2 vs FI-OER-3-3

1.06

0.38

0.71

  1. Note: Host species by parasite isolate interactions were not significant
  2. Abbreviation: HR, hazard ratio