Table 1:

Patient characteristics stratified by good and poor tissue-outcome parameters

Patient Characteristics^{^a}	All Patients	Final Infarct <90 mL	Final Infarct >90 mL	P	Penumbra Saved >50%	Penumbra Saved <50%	P
Subjects (No.) (%)	44 (100.0)	29 (65.9)	15 (34.1)		33 (75.0)	11 (25.0)
Age (yr) (mean ± SD)	69.3 (14.8)	65.9 (17.7)	71.0 (13.0)	.34	61.7 (18.1)	71.8 (12.8)	.05^{^b}
Sex (female) (No.) (%)	28 (63.6)	18 (62.1)	10 (66.7)	1.00	21 (63.6)	7 (63.6)	1.00
Admit NIHSS (median, IQR)	14 (10.3–19.8)	14 (9.0–16.5)	18 (12.0–21.0)	.05^{^b}	14 (9.5–19.0)	16 (14.0–20.0)	.13
Discharge NIHSS (median, IQR)	12 (4.0–19.3)	7 (3.0–14.0)	17 (9.0–23.0)	.01^{^b}	9 (3.0–15.0)	17 (11.0–33.0)	.01^{^b}
Left MCA infarction (No.) (%)	24 (54.5)	14 (48.3)	10 (66.7)	.34	16 (48.5)	8 (72.7)	.29
Vessel occlusion
M1 segment of MCA (No.) (%)	28 (63.6)	21 (72.4)	7 (46.6)	.11	22 (66.6)	6 (37.5)	.49
Carotid bifurcation/M1 segment (No.) (%)	16 (36.4)	8 (27.6)	8 (53.3)	.11	11 (33.3)	5 (26.7)	.49
Treatment (No.) (%)	44 (100.0)
Intravenous thrombolysis (No.) (%)	15 (34.1)	12 (41.4)	3 (20.0)	.19	12 (36.4)	3 (27.3)	.72
IA mechanical therapy (No.) (%)	29 (65.9)	17 (58.6)	12 (80.0)	.19	21 (63.6)	8 (72.7)	.72
Cardiovascular risk factors
Hypertension (No.) (%)	30 (68.2)	19 (65.5)	11 (73.3)	.74	21 (63.6)	9 (81.8)	.46
Diabetes mellitus (No.) (%)	7 (15.9)	5 (17.2)	2 (13.3)	1.00	4 (12.1)	3 (27.3)	.34
Coronary heart disease (No.) (%)	8 (18.2)	6 (20.7)	2 (13.3)	.70	7 (21.2)	1 (9.1)	.66
Atrial fibrillation (No.) (%)	22 (50.0)	15 (51.7)	7 (46.7)	1.00	17 (51.5)	5 (45.5)	1.00
Smoking (No.) (%)	8 (18.2)	4 (13.8)	4 (26.7)	.41	6 (18.2)	2 (18.2)	1.00
Etiology
Atherothrombotic (No.) (%)	16 (36.4)	12 (41.4)	4 (26.7)	.51	11 (33.3)	5 (45.5)	.49
Cardioembolic (No.) (%)	18 (40.9)	12 (41.4)	6 (40.0)	1.00	15 (45.5)	3 (27.3)	.48
Undetermined etiology (No.) (%)	5 (11.4)	3 (10.3)	2 (13.3)	.64	4 (12.1)	1 (9.1)	1.00
Other etiology (No.) (%)	5 (11.4)	2 (6.9)	3 (20.0)	.31	3 (9.1)	2 (18.2)	.59

Note:—IA indicates intra-arterial; IQR, interquartile range.
↵a Continuous and discrete quantitative variables compared with the unpaired t test and Mann-Whitney U rank sum test, respectively. Qualitative categoric variables compared with the Fischer exact test.
↵b Significant.