Modeling Clostridium difficile in a hospital setting: control and admissions of colonized and symptomatic patients

Table 1 A list of parameters for Clostridium difficile

Description	Symbol	Sample value	References
Probability of having high levels of serum antibodies to C. difficile	p	0.6	[13, 25]
Probability of colonization at admission with high levels of serum antibodies	λ _A	0.06	[24, 25]
Probability of colonization at admission with low levels of serum antibodies	λ _C	0.04	[24, 25]
Probability of having symptomatic patients at admission	λ _I	0.01	[26, 27]
Discharge rate of uncolonized and colonized patients (day ⁻¹)	γ_U,γ_A,γ_C	0.2	[28]
Probability of developing clinical symptoms	q	0.2	[30]
Probability of death due to C. difficile	r	0.1	[2, 22]
Treatment rate (day ⁻¹)	ν	0.1	[8, 33]
Transmission rate from colonized patients	β_A,β_C	0.006	[2, 16, 29]
Transmission rate from symptomatic patients	β _I	0.008	[16, 29]
Control effort factor for symptomatic patients	σ	0−1(1,0.1)	(varying)
Control effort factor for colonized patients	ε	0−1(1,0.1)	(varying)

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