Table 1.

Clinical characteristics of patients with brain gliomas

Characteristics	Training set	Test set
No. of patients	72	32
Age (y)*	43 (6-64)	45.5 (11-70)
Sex
Female	29	13
Male	43	19
Pathological grading
Grade II	34	14
Grade III	15	8
Grade IV	23	10

Data are represented as the median, with the range in parentheses.

^*means the unit of age is year.