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. 2025 Aug 28;27(12):3306–3317. doi: 10.1093/neuonc/noaf171

Table 1.

Patient Demographics and Information

IDHm-A
(1p/19q-intact)
IDHm-O
(1p/19q-codeleted)
Total patients (n = 37) Total patients (n = 27)
Age in years (average/range) 38 (24–63) 46 (25–72)
Sex (male/female) 23/14 16/11
MT/Non-MT 22/15 13/14
Months between surgeries (average/range) 49.3 (3–205) 110.8 (1–331)

IDHm-A = isocitrate dehydrogenase mutant astrocytoma, IDHm-O = isocitrate dehydrogenase mutant oligodendroglioma, MT = malignant transformation.