Table 1.

Comparison between patient’s demographics and tumor features of AKT1- and NF2-mutant spinal meningiomas

	All tumors (n = 50)	AKT1-mutant (n = 15)	NF2-mutant (n = 32)	P value
Median age (years)	66	71	65	0.032
Female sex	38	7/15 (46.6%)	30/32 (94%)	0.0006
Thoracic spine location	28	4/15 (26.6%)	24/32 (75%)	0.0034
Cervical spine location	21	11/15 (73.3%)	7/32 (21.8%)	0.0012
Ventral or ventro-lateral location to spinal cord	28	13/15 (87%)	14/32 (40.6%)	0.010
Dorsal or dorso-lateral location to spinal cord	22	2/15 (13.3%)	19/32 (59.3%)	0.0043
Meningothelial histology	24	14/15 (93.3%)	7/32 (21.8%)	0.0001
Tumor calcification	17	None	17/32 (53.2%)	0.0002

Bold indicates significance (P < 0.05)