Research Article

Tirofiban on Fully Recanalized Stroke with Thrombectomy: A Propensity Score Matching Analysis

Table 1

Baseline characteristics of patients before and after PSM.

VariablesBefore PSMAfter PSM
Nontirofiban (n = 118)Tirofiban (n = 185) valueNontirofiban (n = 85)Tirofiban (n = 85) value

Demography
Age (y), mean (SD)65.1 ± 13.763.2 ± 12.40.20264.6 ± 13.164.4 ± 11.90.922
Male, n (%)63 (53.4%)134 (72.4%)0.00150 (58.8%)53 (62.4%)0.638

Vascular risk factors
Hypertension77 (65.3%)123 (66.5%)0.82557 (67.1%)54 (63.5%)0.629
Diabetes27 (22.9%)63 (34.1%)0.03824 (28.2%)23 (27.1%)0.864
Hyperlipidemia62 (52.5%)110 (59.5%)0.23647 (55.3%)43 (50.6%)0.539
Current smoking34 (28.8%)72 (38.9%)0.07229 (34.1%)31 (36.5%)0.748
Current drinking27 (22.9%)63 (34.1%)0.03823 (27.1%)24 (28.2%)0.864
Atrial fibrillation64 (54.2%)59 (31.9%)<0.00137 (43.5%)38 (44.7%)0.877
Previous stroke28 (23.7%)28 (15.1%)0.06021 (24.7%)17 (20.0%)0.461
Coronary heart disease37 (31.4%)35 (18.9%)0.01322 (25.9%)20 (23.5%)0.722

Drug use prestroke
Anticoagulation, n (%)18 (15.3%)13 (7.0%)0.02112 (14.1%)12 (14.1%)0.099
Antiplatelet, n (%)42 (35.6%)56 (30.3%)0.33427 (31.8%)29 (34.1%)0.744

Admission characteristics
SBP (mmHg), mean (SD)141.2 ± 21.8145.8 ± 23.40.089144.1 ± 21.8142.5 ± 23.00.674
DBP (mmHg), mean (SD)81.0 ± 14.484.4 ± 13.70.04082.5 ± 15.083.1 ± 14.20.822
NIHSS, median (IQR)15 (7)14 (7)0.02615 (7)15 (6)0.794
ASPECTS, median (IQR)9 (3)9 (2)0.6749 (3)9 (2)0.595

Vessel occlusion site
ICA occlusion33 (28.0%)83 (44.9%)0.00330 (35.3%)30 (35.3%)0.999
MCA occlusion85 (72.0%)102 (55.1%)55 (64.7%)55 (64.7%)

Stroke etiology
LAA35 (29.7%)110 (59.5%)<0.00134 (40.0%)35 (41.2%)0.799
CE73 (61.8%)66 (35.6%)46 (54.1%)43 (50.6%)
Others10 (8.5%)9 (4.9%)5 (5.9%)7 (8.2%)

Treatment information
IVT, n (%)52 (44.1%)72 (38.9%)0.37438 (44.7%)30 (35.3%)0.210
General anesthesia, n (%)35 (29.7%)42 (22.7%)0.17525 (29.4%)18 (21.2%)0.217
OTP (min), median (IQR)329 (223)394 (261)0.003365 (235)394 (259)0.385
OTR (min), median (IQR)405 (203)455 (246)0.005436 (227)450 (268)0.608
Additional intra-arterial thrombolysis, n (%)1 (0.8%)2 (1.1%)0.9990 (0%)1 (1.2%)0.999

SBP, systolic blood pressure; DBP, diastolic blood pressure; NIHSS, National Institutes of Health Stroke Scale; ASPECTS, Alberta stroke program early computed tomography score; ICA, internal carotid artery; MCA, middle cerebral artery; LAA, large artery atherosclerosis; CE, cardioembolism; IVT, intravenous thrombolysis; OTP, time interval from symptom onset to puncture; OTR, time interval from symptom onset to recanalization. The bold values mean P < 0.05.