Does preservation of the sub-valvular apparatus during mitral valve replacement affect long-term survival and quality of life? A Microsimulation Study

Table 2 Utility Parameters used in the Model

	Number of Patients [17–21]		% Utility	HRQoL	Age 30–39		Age 40–49		Age 50–59		Age 60–69		Age 70–79		Age 80+
NYHA Class	With Preservation	Without Preservation	Decrement [49]	(Utility)	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
0	0	0	0.00
1	207	194	0.03	UK Baseline [50]	0.86		0.85		0.81		0.80		0.75		0.73
2	74	126	0.20
3	5	47	0.35	With Preservation	0.79	0.07	0.78	0.07	0.75	0.07	0.73	0.07	0.69	0.06	0.67	0.06
4	0	24	0.70
				Without Preservation	0.72	0.15	0.71	0.15	0.68	0.14	0.67	0.14	0.63	0.13	0.61	0.13
TOTAL	286	391

ISSN: 1749-8090