Review of a two-year methicillin-resistant Staphylococcus aureus screening program and cost-effectiveness analysis in Singapore

Table 1 Direct and indirect costs avoided by the MRSA screening and isolation program

Parameter	Number of colonized patients	Number of Infected patients	Cost per day ($US)	Total cost ($US)
Direct cost
Hospital bill per day for infectious disease patient	14	5^a	228	4469^b
Hospital bill per day for dermatological patient	162	57^a	372	63,277^c
Hospital bill per day stay for HIV patient	97	34^a	226	36,123^d
Total direct cost				103,869
Indirect cost
Productivity loss of infectious disease patient	14	5^a	155^e	2803
Productivity loss of dermatological patient	162	57^a	155^e	24,324
Productivity loss of HIV patient	97	34^a	155^e	19,419
Total indirect cost				50,453

^aThirty-five percent of the colonized patients are assumed to progress to infection
^bBased on four additional hospitalization days and five Infectious disease patients estimated to be progressed to infection
^cBased on three additional hospitalization days and 57Dermatological patients estimated to be progressed to infection
^dBased on four additional hospitalization days and 34HIV patients estimated to be progressed to infection
^eEstimated based on GDP per capita of $US 55,183 [36]

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