McDonald 2013.

Study characteristics
Study design	Cohort
Study setting	Setting: Royal North Shore Hospital and the North Shore Private Hospital, Sydney Country: Australia Dates: NR
Selection of participants	Retrospective cohort of people with primary GBM treated by gross total resection
Participant characteristics	Sample size: 78 (deaths: 74) Age: mean 58.4, SD 12.4; range 22–83 years Sex: 75.6% men KPS: NR
Tumour characteristics	GBM: 100% First diagnosis: 100% Biopsy: 0%; subtotal resection: 0%; total resection: 100% IDH1 wild‐type: 97.4%; IDH2 wild‐type: NR
Treatment regimen	Concurrent radiotherapy and TMZ followed by adjuvant TMZ (61.5%) or TMZ as an adjuvant therapy after radiotherapy (38.5%)
MGMT promoter methylation tests implemented	MSP, PSQ
Dates and follow‐up	Timing of MGMT assessment: at diagnosis Start time for follow‐up: NR; follow‐up: median NR; range NR
Notes