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Table 2 Statistical significance of the mean maximum differences in otologic scores induced by 10 clinical NTHi strains (PittAA – PittJJ) following transbullar inoculation into chinchillas.

From: Virulence phenotypes of low-passage clinical isolates of Nontypeable Haemophilus influenzae assessed using the chinchilla laniger model of otitis media

Days Post Inoculation p value
Day 1 0.0005825
Day 2 0.003254
Day 3 0.000005038
Day 4 0.004122
Day 5 0.02772*
  1. * Due to extensive mortality beginning on day 5 associated with the more systemically virulent strains, there are many data points missing which artificially lowers the p value as evaluations could not be performed on dead animals.