Table 3

Comparison of length of stay and hospital costs between the two treatment groups

EV-Only vs IV+EV
Entire cohort (n=90)
EV-Only vs IV+EV
Onset to presentation ≤4.5 hours (n=64)
EV-Only (n=52)IV+EV (n=38)p ValueEV-Only (n=26)IV+EV (n=38)p Value
Total cost, $33 810 (13 505)40 743 (17 177)0.024*31 621 (12 874)40 743 (17 177)0.027*
Direct cost, $23 034 (8786)28 711 (11 406)0.007*22 087 (9228)28 711 (11 406)0.017*
Indirect cost, $10 777 (5104)12 032 (6311)0.399534 (3928)12 032 (6311)0.09
Length of stay, days8 (6)8 (6)0.866 (4)8 (6)0.34
Length of ICU stay, days†2.1 (2.1)2.2 (1.5)0.482 (2.2)2.2 (1.5)0.23
  • All values shown are mean (SD).

  • *Significance level is set at 0.05.

  • †ICU stay comparison is for 39 patients in the EV-Only group and 30 patients in the IV+EV group for the entire cohort and 20 patients in the EV-Only group and 30 patients in the IV+EV group for the ≤4.5 hours cohort.

  • EV-Only, endovascular therapy alone group; ICU, intensive care unit; IV+EV, endovascular therapy following IV rt-PA administration group.