Table 1.

Main patient and tumor characteristics

	Patients with NED (N = 110)	Patients with ED (N = 50)	Total Patients (N = 160)
Gender
Female	46 (41.8%)	14 (28.0%)	60 (37.5%)
Male	64 (58.2%)	36 (72.0%)	100 (62.5%)
Age
Median, y (interquartile range)	5.3 (2.8–9.3)	4.2 (2.7–7.2)	4.9 (2.8–9.1)
Under 3 y	31 (28.2%)	14 (28.0%)	45 (28.1%)
3 y or over	79 (71.8%)	36 (72.0%)	115 (71.9%)
Tumor location
Supratentorial	40 (36.4%)	10 (20.0%)	50 (31.2%)
Infratentorial	70 (63.6%)	40 (80.0%)	110 (68.8%)
WHO grade
Grade II/classic	48 (43.6%)	28 (56.0%)	76 (47.5%)
Grade III/anaplastic	62 (56.4%)	22 (44.0%)	84 (52.5%)
Ventricular shunt
No	84 (76.4%)	16 (23.6%)	100 (62.5%)
Yes	26 (23.6%)	34 (68.0%)	60 (37.5%)