Table 1:

Patients characteristics in GDC and Matrix groups

	GDC		Matrix		P
	No.	%	No.	%	P
Sex					.231
Female	161	58.3	153	63.5
Male	115	41.7	88	36.5
Age (yr)					.320
Younger than 65	243	88.0	205	85.1
≥65	33	12.0	36	14.9
WFNS score					.880
1–2	208	75.4	183	75.9
3–5	68	24.6	58	24.1
Total	276	100.0	241	100.0