TABLE 2

Comparison of the densities of RAJ STEC O157 colonization represented as log10 transformations of the area under the shedding curve and mean CFU per sampling date

YrDoseRouteSeasonAUC (LSM ± SEM)aAUC P valueCFU (LSM ± SEM)CFU P value
1HighOralBoth4.91 ± 0.210.811.87 ± 0.240.57
HighRectalBoth4.98 ± 0.212.07 ± 0.24
HighBothSummer4.87 ± 0.210.571.79 ± 0.240.33
HighBothWinter5.02 ± 0.192.14 ± 0.24
2LowOralBoth4.12 ± 0.220.271.30 ± 0.140.22
LowRectalBoth4.47 ± 0.221.57 ± 0.15
LowBothSummer3.93 ± 0.240.061.25 ± 0.140.08
LowBothWinter4.66 ± 0.141.63 ± 0.15
BothHighBothBoth4.95 ± 0.160.00061.97 ± 0.130.009
LowBothBoth4.29 ± 0.161.43 ± 0.13
BothBothSummer4.40 ± 0.170.0161.52 ± 0.130.06
BothBothWinter4.84 ± 0.141.88 ± 0.13
  • a AUC, area under the shedding curve; LSM, least-squares means.