Table 1.

Definition and quantification of variables

Variable	Description	Average value	Min value	Max value	References
Pt	MRSA prevalence of all inpatients	3.08%	1.20%	5.30%	[12]
Pr	MRSA prevalence of high-risk inpatients	11.94%	3.85%	20.6%	[12]
Pn.i.	MRSA prevalence of patients without indication for a targeted screening	0.03%	0.03%	0.03%	[13]
RTno iso	Rate of MRSA transmission not in isolation per day	0.029	0.0014	0.1400	[12]
RTiso	Rate of MRSA transmission in isolation per day	0.003	0.0008	0.0090	[12]
SenPCR	Sensitivity of PCR method	91.09%	62.50%	100%	[12]
Sencul	Sensitivity of culture method	88.73%	53.00%	100%	[12]
SPPCR	Specificity of PCR method	95.79%	83.70%	100%	[12]
SPcul	Specificity of culture method	93.23%	68.00%	100%	[12]
${\bar{C}}_{p\mathit{\text{iso}}}$	Average costs for pre-emptive isolation per day	62.77 €	9.45 €	145.11 €	[12]
${\bar{C}}_{\mathit{\text{MRSA}}}$	Average costs per MRSA case per day	506.92 €	213.51 €	1,411.44 €	[12]
∅ LOSMRSA	Average length of stay of MRSA patients in days	24.88	18	39	[12]