Table 1.

General demographics and patient characteristics between both groups (chi-square test)

	Subperiosteal Drain	Subdural Drain	P-value
No. of Patients	30	30
Age (mean)	68	70	0.072
Sex
Male	21 (70%)	20 (66.7%)	0.781
Female	9 (30%)	10 (33.3%)
Right SDH	16 (53.3%)	14 (46.7%)	0.606
Left SDH	13 (43.3%)	16 (53.3%)	0.438
Bilateral SDH	1 (3.3%)	0	0.313
Patients on anti-platelet	2 (6.7%)	3 (10%)	0.389
Patients on anti-coagulation	1 (3.3%)	0	0.313
Co-morbidities
HPT	19 (63%)	20 (66.7%)	0.787
IHD	5 (16.7%)	6 (20%)	0.542
DM	8 (26.7%)	8 (26.7%)	0.739
CKD	2 (6.7%)	2 (6.7%)	> 0.95
CLD	2 6.7%)	2 (6.7%)	> 0.95
Previous Stroke	2 (6.7%)	4 (13.3%)	0.389
Chronic Alcoholic	1 (3.3%)	2 (6.7%)	0.554