Table 1: Patient characteristics.

AAAODAOA

𝑛 patients18138
Male/female (%)10 (55)/8 (45)9 (69)/4 (31)7 (88)/1 (12)
Registration period2004–20102004–20092002–2010
Median age (range)30 (7–62)42 (38–69)32 (11–56)
Median 𝑛 events*232
1 event/>1 event (%)9 (50)/9 (50)5 (38)/8 (62)5 (63)/3 (37)
Total/subtotal resection (%)11 (61)/7 (39)3 (23)/10 (77)3 (37)/5 (63)
Initial grade III/dedifferentiation (%)17 (94)/1 (6)8 (62)/5 (38)3 (37)/5 (63)
Patients alive (%)7 (38)7 (53)2 (25)

AA: anaplastic astrocytoma; AOD: anaplastic oligodendroglioma; AOA: anaplastic oligoastrocytoma.
*: number of events prior to surgery and immunotherapy.