TABLE 1.

Patient baseline characteristics

Parameter	Control Group (n = 43)*	Heparin Group (n = 43)*	p Value
mean age (yrs)	55.3 ± 12.9	54.5 ± 11.3	0.98†
female sex	34	32	0.80
WFNS grade
mean	2.0 ± 1.3	2.5 ± 1.6	0.16†
median	2.0	2.0	0.23†
≥3	10	16	0.24
GCS score
mean	13.1 ± 2.9	12.2 ± 3.6	0.23†
median	14	14	0.33†
≤7	6	7	1.0
hypertension	21	20	1.0
statin use	8	6	0.77
tobacco use	22	25	0.67
cocaine use	3	1	0.62

^*Values represent the number of patients unless otherwise noted. Mean values are presented as the mean ± SD.

^†Student’s t-test or Mann-Whitney U-test; otherwise, from Fisher’s exact test (2-tailed).