Table 1.

Survival of mice after the instillation of P. aeruginosa strains

StrainConcn of bacteria (CFU/ml)No. of mice surviving at indicated times postinstillation (h)a
0<24<48<72
ControlNo bacteria10101010
PA103105 10101010
107 1010*
109 100a
PAO1105 10101010
107 10101010
109 10820*
6294105 10101010
107 10101010
109 100*
  • a A total of 10 mice was used for each experimental group. Each mouse received a 50-μl inoculum. The Mantel-Cox log rank test was used to analyze the statistical significance of differences between the control and experimental groups. *, P < 0.05 compared with the control group.