Table 5.

One-way sensitivity analysis

	Treatment costs	Surveillance costs	Total costs	Pr (sarcoma death)	Life years	QALYs	ICER
Scenario analyses designed favour surveillance strategies that detect only metastatic disease
No surveillance	$35,022	$0	$35,022	0.43	19.57	7.67
Low freq. CT	$35,260	$3184	$38,444	0.41	20.07	7.81	$24,483
CT	$35,796	$4031	$39,827	0.40	20.33	7.89	$16,335
CT + MRI	$36,171	$10,654	$46,825	0.39	20.55	7.95	$129,501
PET	$36,056	$25,566	$61,622	0.39	20.52	7.93	Dominated
Scenario analyses designed favour surveillance strategies that detect local recurrence and metastatic disease
No surveillance	$49,864	$0	$49,864	0.43	19.57	7.25
Low freq. CT	$51,885	$3184	$55,069	0.41	20.07	7.31	$75,672
CT	$52,810	$4031	$56,841	0.40	20.33	7.39	$24,967
CT + MRI	$52,113	$10,654	$62,766	0.39	20.55	7.47	$72,755
PET	$51,803	$25,566	$77,369	0.39	20.52	7.46	Dominated