Table 1

Characteristics of all the patients

CharacteristicsNumber (%)
Total number20 (100)
Gender
 Male13 (65.0)
 Female7 (35.0)
Age
 Range (median, years old)3–35 (7.5)
 ≤1813 (65.0)
 >187 (35.0)
History of head injury6 (30.0)
Combined with other congenital disease2 (10.0)
Presentations
 Haemorrhage4 (20.0)
 Seizures4 (20.0)
 Headache6 (30.0)
 Neurological deficits4 (20.0)
 No symptom2 (10.0)
Preoperative mRS
 Grade 015 (75.0)
 Grade 13 (15.0)
 Grade 22 (10.0)
  • mRS, Modified Rankin Scale.