Table 2.

Main results of probabilistic sensitivity analysis

Monte Carlo simulation results for:	Midsized department	Small department
Incremental cost per admission:	−£3.10 (SD ± 1.54)	£0.01 (SD ± 2.40)
Incremental effect per admission:	0.0000012 QALY (SD ± 0.0000006)	0.0000012 QALY (SD ± 0.0000006)
ICER	Dominant	£10,645
Percentage cost-effective at a WTP of £30,000 per QALY gained	>95%	51%

Abbreviations: SD, standard deviation; ICER incremental cost-effectiveness ratio; WTP, willingness-to-pay; QALY, quality adjusted life year.