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Table 2 Events and their rates

From: Increasing the frequency of hand washing by healthcare workers does not lead to commensurate reductions in staphylococcal infection in a hospital ward

Event

Rate of event

Patient removal (when no colonization detected)

μ(x + y)

Detection of colonized patient and removal

γy

HCW hand cleaning

μ' (x' + y')

Removal of contamination from hands of HCWs

μ' y'λ'

HCW-patient contact

c(x + y)

HCW-to-patient transmission

βxy'/n'

Patient-to-HCW transmission

β' yx'/n'

Admission of uncolonized patient

(1 - σ) (μx + μy + γy)

Admission of colonized patient

σ(μx + μy + γy)