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Table 2 Proportion surviving after 7 h for E. coli ST10 and ST131 per suspension fluid. The survival probability ratio indicates the relative difference in survival probability between ST131 versus ST10

From: Evaluation of an in vitro model with a novel statistical approach to measure differences in bacterial survival of extended-spectrum β-lactamase-producing Escherichia coli on an inanimate surface

  Proportion surviving after 7 h (% [95% CI]) Survival probability ratio [95% CI]
ST10 ST131
Water 0.03 [0.02–0.05] 0.06 [0.04–0.10] 2.17 [1.37–3.44]
Saline 0.17 [0.11–0.27] 0.37 [0.23–0.59]
Blood 37.9 [23.9–60.1] 82.3 [51.9–100]