Table 2:

Time variables—aspiration vs stent retriever

Variable/StsAll (n = 254)Aspiration (n = 127)Stent Retriever (n = 127)P Value
Length of procedure (min)
    Mean47.7 ± 38.933.2 ± 25.162.2 ± 44.6<.001
    Median (IQR 25%–75%)36.0 (22–62)26.0 (15–41)47.0 (32–80)
Groin puncture to 1st angiogram (min)
    Mean7.3 ± 5.97.7 ± 5.97.0 ± 5.8.234
    Median (IQR 25%–75%) (min)6.0 (4–9)6.0 (4–10)5.0 (4–9)
First angiogram to first 1st reperfusion (min)
    Mean23.0 ± 25.818.2 ± 22.927.9 ± 27.6<.001
    Median (IQR 25%–75%)15.0 (8–27)11.0 (7–20)19.5 (12–32)
Groin puncture to 1st reperfusion (min)
    Mean30.2 ± 27.125.6 ± 23.834.9 ± 29.4<.001
    Median (IQR 25%–75%)22.0 (15–35)18.0 (13–31)26.0 (17–39)
TICI (No.) (%)
    ¥ 2b–3231 (90.9%)122 (96.1%)109 (85.8%)<.005
    2c–3176 (69.3%)99 (78%)77 (60.6%)<.005
    3109 (43%)59 (46%)50 (39%).25
    First-pass 348 (19%)32 (25%)16 (13%).01
  • Note:—¥ indicates TICI as standing for Thrombolysis in Cerebral Infarction Score; Sts, statistics; TICI, Thrombolysis in Cerebral Infarction Score.