Table 3.

Summary of clinical features for 28 tumours classified by expression or methylation profile

Clinical features	Group 1	Group 2
Gender (n = 28)	8 M/6F	7 M/7F
Presented with seizures (n = 28)	12 (n = 14)	11 (n = 14)
Age 1st seizure (months) (n = 28)	30 (5–180) (n = 14)	87 (23–180) (n = 14)
Age surgery (months) (n = 28)	99 (20–192) (n = 14)	141 (46–188) (n = 14)
Seizure duration (months) (n = 28)	67 (5–158) (n = 14)	55 (1–165) (n = 14)
Residual post-op tumour (n = 20)	7 (n = 9)	6 (n = 11)
Seizure free at 1 year (n = 23)	7 (n = 12)	5 (n = 11)
Seizure free at last follow-up (n = 23)	7 (n = 12)	5 (n = 11)

For the age data, the values are the mean and range