Table 4. Base Case Results for the Alternative Strategies for Cost, QALY Gained and ICER.

	Cost ($)			Utility (QALY)			ICER
Cohort	RT	NT+RT	TMZ+RT	RT	NT+RT	TMZ+RT	TMZ+RT VS. RT	TMZ+RT VS. RT+NT	NT+RT VS. RT
Overall cohort	7,234.0	8,655.9	32,562.4	0.80	0.84	1.09	87,940.6	94,968.3	39,185.1
Subgroups:
MGMT methylated	7,753.3	9,500.0	37,598.2	1.12	1.27	1.47	7,015.3	141,144.1	11,237.3
MGMT unmethylated	7,206.6	8,540.0	31,319.8	0.76	0.79	0.87	19,188.7	299,673.0	46,454.0
Complete resection	7,677.3	9,678.5	34,644.4	0.94	1.02	1.27	6,898.8	100,108.0	26,207.2
Partial resection	7,267.0	8,703.3	28,193.7	0.80	0.84	0.96	11,180.8	168,668.1	35,537.2
Biopsy only	6,074.1	6,855.1	25,598.8	0.57	0.61	0.73	10,741.1	157,802.5	23,883.3
Age <50 years	7,672.3	9,900.1	29,351.4	0.87	0.97	1.16	6,125.4	103,010.5	20,995.6
Age 50∼60 years	7,374.4	8,866.0	32,182.4	0.82	0.86	1.02	10,609.3	155,206.9	33,419.7
Age >60 years	6,990.5	8,261.0	26,388.8	0.78	0.79	0.86	21,434.9	279,507.5	120,317.5