Table 3.

Percentage of patients with cognitive impairments (defined as z-score more than 2 SD below the control group on at least two domains), separately per tumour type

Tumour type	Missing	Cognitively impaired	Not cognitively impaired
Primary BT		19 (42%)	24 (53%)
LGG (n = 19)	1 (5%)	8 (42%)	10 (53%)
HGG (n = 26)	1 (4%)	11 (42%)	14 (54%)
Brain metastases		18 (45%)	20 (50%)
BrM 1–3 (n = 23)	2 (9%)	11 (48%)	10 (43%)
BrM > 3 (n = 17)		7 (41%)	10 (59%)

BT brain tumour, LGG low-grade glioma, HGG high-grade glioma, BrM brain metastases