Patient-reported utilities in advanced or metastatic melanoma, including analysis of utilities by time to death

Table 2 Predicted versus observed mean utility values for models based on health states

Model	Health state	EORTC-8D		SF-6D
Model	Health state	Predicted	Observed	Predicted	Observed
Model 1	Pre-progression	0.803	0.813	0.642	0.648
	Post-progression	0.755	0.776	0.612	0.626
Model 2	180 or more days to death	0.831	0.840	0.667	0.672
	120 - 179 days to death	0.771	0.767	0.616	0.610
	90 - 119 days to death	0.763	0.756	0.613	0.600
	60 - 89 days to death	0.720	0.723	0.585	0.574
	30 - 59 days to death	0.679	0.670	0.557	0.541
	Under 30 days to death	0.653	0.651	0.544	0.531
Model 3	Pre-progression
	180 or more days to death	0.837	0.848	0.670	0.677
	120 - 179 days to death	0.779	0.777	0.620	0.615
	90 - 119 days to death	0.772	0.759	0.613	0.591
	60 - 89 days to death	0.731	0.737	0.585	0.588
	30 - 59 days to death	0.695	0.690	0.557	0.554
	Under 30 days to death	0.672	0.629	0.544	0.518
	Post-progression
	180 or more days to death	0.808	0.820	0.654	0.661
	120 - 179 days to death	0.749	0.742	0.614	0.595
	90 - 119 days to death	0.743	0.750	0.613	0.623
	60 - 89 days to death	0.702	0.693	0.585	0.547
	30 - 59 days to death	0.665	0.643	0.507	0.521
	Under 30 days to death	0.642	0.675	0.534	0.547

ISSN: 1477-7525