Table 1:

Exploratory analysis of patients stratified by hemorrhage occurrence at 24-hour follow-upa

Hemorrhage on 24-Hour Follow-Up (n = 46)No Hemorrhage (n = 153)P Value
Age (yr)71 (63–77)69 (59–78).875
Female (No.) (%)27 (56.5%)62 (40.5%).055
Medical history (No.) (%)
    Hypertension31 (67.4%)86 (56.2%).177
    Previous stroke/TIA4 (8.7%)29 (18.9%).101
    Antiplatelet use13 (28.3%)53 (34.6%).420
    Anticoagulant use6 (13.0%)26 (16.9%).523
Clinical information
    Serum glucose level (mmol/L)7.2 (6.1–8.3)6.2 (5.5–7.2)<.001
    Low density lipoprotein levelb2.1 (1.5–2.9)2.3 (1.9–2.9).348
    International normalized ratio1.0 (0.9–1.1)1.0 (1.0–1.1).756
    Partial thromboplastin time (sec)c27 (24–31)28 (25–30).985
    Platelet count205 (159–248)200 (166–247).788
Clinical course
    Baseline NIHSS19 (15–21)17 (12–20).084
    Systolic blood pressure (mm Hg)d148 (128–167)140 (125–160).306
    Administration of IV tPA (No.) (%)35 (76.1%)125 (81.7%).400
    General anesthesia (No.) (%)4 (9.3%)12 (8.4%).852
    Recanalization (No.) (%)41 (89.1%)144 (94.1%).246
    Onset to recanalization (min)203 (141–314)150 (111–216).001
Imaging
    Baseline ASPECTSc8 (7–9)9 (8–10)<.001
    CBSc4 (1–6)6 (4–8).014
    Location of occlusion (No.) (%)
        Internal carotid artery21 (45.7%)40 (26.1%).012
        Proximal M1 segment14 (30.4%)51 (33.3%).713
        Distal M1 segment5 (10.9%)29 (19.0%).201
        M2 horizontal segment3 (6.5%)24 (15.7%).111
        M2 Sylvian segment3 (6.5%)9 (5.9%).873
    Residual flow grade (No.) (%)
        Grade 041 (89.1%)123 (80.4%).355
        Grade 13 (6.5%)14 (9.2%)
        Grade 22 (4.4%)16 (10.5%)
    Collateral grade (No.) (%)
        Good9/14 (64.3%)44/61 (72.1%).664
        Intermediate4/14 (28.6%)11/61 (18.0%)
        Poor1/14 (7.1%)6/61 (9.8%)
  • a Values are median (interquartile range) unless otherwise stated.

  • b Missing 12 values.

  • c Missing 3 values.

  • d Missing 2 values.