Table 3. Baseline characteristics of patients with tandem or isolated occlusion

Baseline variables	Tandem occlusions (n=8)	Isolated occlusion (n=30)	p-value	Expected frequencies
Age≥70 y (n [%])	3 (37.5)	11 (36.7)	0.9651)	11.05
Male sex (n [%])	7 (87.5)	23 (76.7)	0.5041)	23.68
Smoking (n [%])	7 (87.5)	20 (66.7)	0.2481)	27.32
Hyperlipidemia (n [%])	1 (12.5)	6 (20.0)	0.5382)	5.53
Diabetes mellitus (n [%])	2 (25.0)	12 (40.0)	0.4351)	11.05
IV alteplase (n [%])	0	3 (10.0)	0.4812)	2.37
NIHSS>15 (n [%])	3 (37.5)	21 (70.0)	0.0901)	18.95
Procedural time>60 mins	5 (62.5)	22 (73.3)	0.6671)	21.32
Post-procedural sedation (n [%])	2 (25.0)	18 (60.0)	0.0781)	15.79
Length of stay in ICU<6 d	7 (87.5)	17 (56.7)	0.1081)	18.95
Length of hospital stay<14 d	7 (87.5)	14 (46.7)	0.0041)	16.58
Favorable outcome (n [%])	5 (62.5)	17 (56.7)	0.5371)	17.37
Mortality	1 (12.5)	7 (23.3)	0.6602)	6.32

Chi-square test.
Fisher’s exact test.
NIHSS, National Institutes of Health Stroke Scale.