Table 4. Competitive Index of wild-type N. meningitidis MC58 versus mutant N. meningitidis-278-1220.
Mouse Strain | Bacteria Isolated from: | Competitive Index1 | P Value2 |
C57BL/6J | Blood | 6.891 | 0.0414* |
Spleen | 5.090 | 0.0343* | |
C57BL/6J-SR-A−/− | Blood | 2.781 | 0.0507 |
Spleen | 1.660 | 0.0231* |
(wild-type output/mutant output)/(wild-type input/mutant input).
Paired t test.
*: Values marked with an asterisk are statistically significant with a 95% confidence interval.