TABLE 2.

Concordance Between Patient Overall Survival Beyond 9 Months After Diagnosis and MGMT Methylation Level

MGMT Methylation Level	Harrell’s C	Gönen-Heller
Continuous	0.66	0.62
2–100 versus 0–1	0.51	0.51
5–100 versus 0–4	0.62	0.61
10–100 versus 0–9	0.64	0.62
15–100 versus 0–14	0.62	0.61
20–100 versus 0–19	0.60	0.59
25–100 versus 0–24	0.58	0.58