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Table 2 Summary statistics of the estimated parameters

From: Routes of transmission of VIM-positive Pseudomonas aeruginosa in the adult intensive care unit-analysis of 9 years of surveillance at a university hospital using a mathematical model

Parameter

Symbol

Mean (95% credibility interval)

Environmental contamination coefficient

α

6.4·10−4 (4.1·10−4, 9.2·10−4

Cross-transmission coefficient

β

7.1·10−3 (5.6·10−4, 1.7·10−2)

Probability to be colonized on admission (%)

f

0.3 (0.2, 0.5)

Fraction colonized (%)

 

1.7 (1.6, 1.9)

Test sensitivity (%)

ϕ

98.8 (95.6, 100)

Number of acquisitions

 

58 (45, 72)

Number of importations*

 

32 (24, 41)

Contributions

Environmental route (%)

\(R_{\alpha }\)

86.3 (71, 98.6)

Cross-transmission (%)

\(R_{\beta }\)

13.7 (1.4, 29)

  1. *Colonizations prior to admission to the ward