Table 2

 Comparison of imaging findings, intra-arterial thrombolysis parameters, antithrombotic treatment and recanalisation rates in the bleeding and non-bleeding groups

CharacteristicsICHNo sICHTotalp Value
CT, computed tomography; IAT, intra-arterial thrombolysis; ICA, internal carotid artery; M1–M4, segments of the middle carotid artery; MCA, middle cerebral artery; PTA, percutaneous transluminal angioplasty; sICH, symptomatic intracranial haemorrhage; TIMI, thrombolysis in myocardial infarction.
Numbers in parentheses are interquartile ranges.
*Fisher’s exact test.
†Mann—Whitney U test.
Dense artery sign, n = 270
    Yes610942.6%0.767*
    No614957.4%
Early CT signs of ischaemia, n = 280
    Yes1111143.6%0.003*
    No215656.4%
Occlusion site, n = 293
    Anterior circulation1323586.4%0.703*
    Posterior circulation14413.6%
ICA and MCA, n = 243
    Proximal (ICA, M1 or M2)1319384.8%0.227*
    Distal (M3 or M4)03715.2%
Collaterals, n = 287
    Good216658.5%0.001*
    Poor1210741.5%
Time from stroke onset to IAT, min247.5 (105)255 (101)255 (100)0.851†
Urokinase dose, U1 000 000 (0)1 000 000 (250 000)1 000 000 (250 000)0.019†
PTA/stent, n = 293
    Yes1248.5%1.000*
    No1325591.5%
TIMI gradesn = 14n = 2760.020†
    014716.5%
    183013.1%
    2515053.4%
    304916.9%
Aspirin after IAT, n = 293
    Yes922579.9%0.167*
    No55420.1%
Heparin after IAT, n = 294
    Yes15117.7%0.477*
    No1322982.3%