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Table 1 Pairwise differences in virulence between the evolved bacteria (within-host and outside-host treatments), ancestor, and negative controls (sucrose) in the infection experiment

From: Within-host evolution decreases virulence in an opportunistic bacterial pathogen

 

sucrose

ancestor

within-host

outside-host

sucrose

 

Wald = 136.700

SE = 0.457

Exp(B) = 241.359 p < 0.001*

Wald = 120.118

SE = 0.463

Exp(B) = 186.303 p < 0.001*

Wald = 135.346

SE = 0.462

Exp(B) = 251.699 p < 0.001*

ancestor

  

Wald = 4.248

Exp(B) = 0.772

SE = 0.129 p = 0.039*

Wald = 0.087

Exp(B) = 1.043

SE = 0.127 p = 0.768

within-host

   

Wald = 4.251

Exp(B) = 1.351

SE = 0.147

p = 0.039*