Group		Complication			No complication	Total
Group	Headache	Dizziness	Fever	Re-bleeding	No complication	Total
Group A	n = 4 (19%)	n = 5 (23.8%)	n = 1 (4.7%)	n = 2 (9.5%)	n = 9 (42.8%)	n = 21
Group B	n = 2 (9.5%)	n = 1 (4.7%)	n = 1 (4.7%)	n = 1 (4.7%)	n = 16 (76.1%)	n = 21