Table 4

Comparison of outcomes and costs for patients in whom a stent retriever was the primary thrombectomy device (n=67)

EV-Only (n=36)IV+EV (n=31)
NIHSS, median (IQR)17 (10–24)18 (11–24)0.38
CT ASPECTS, median (IQR)7 (6–8)8 (7–9)0.02*
ICA-T/MCA, n (%)5 (14)/31 (86)3 (9.7)/28 (90.3)0.59
Recanalization, n (%)29 (80.6)27 (87.1)0.46
Favorable outcome, n (%)19 (53)18 (58)0.66
Mean (SD) total cost, $33 999 (11 394)41 420 (17 155)0.027*
Mean (SD) direct cost, $23 429 (7534)29 269 (11 287)0.007*
Mean (SD) indirect cost, $10 570 (4355)12 150 (6443)0.38
  • *Significance level is set at 0.05.

  • ASPECTS, Alberta Stroke Program Early CT Score; EV-Only, endovascular therapy alone group; ICA-T, internal carotid artery terminus; IV+EV, endovascular therapy following IV rt-PA administration group; MCA, middle cerebral artery; NIHSS, NIH Stroke Scale.