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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Catheter Cardiovasc Interv. 2020 Oct 15;97(5):E627–E635. doi: 10.1002/ccd.29222

TABLE 3.

Sensitivity analysis including patients who received Impella for high-risk percutaneous coronary intervention

Unmatched cohorts
Matched cohorts
Variables no. (%) Female (n = 2,185) Male (n = 5,535) Total (n = 7,720) p-value Female (n = 2,143) Male (n = 2,238) Total (n = 4,381) p-value
In-hospital outcomes
 Major adverse events 13.2 7.9 9.4 <.01 13.2 8.7 10.9 <.01
 Death 6.7 4.6 5.2   .01 6.7 5.5 6.1   .19
 Vascular complications 2.7 2.3 2.4   .50 2.7 2    2.3   .34
 Major bleeding 5.6 2.1 3.1 <.01 5.5 2.1 3.8 <.01

Severe disability surrogates
 Nonhome discharge 20.1 11.5 13.9 <.01 19.9 12.6 16.1 <.01
 Mechanical ventilation 7.6 6.9 7.1  .50 7.6 7    7.3  .62

Resources utilization
 Length of hospitalization 6    5    5    <.01 6    5    5    <.01
 Median days (25th–75th IQR) 3-11    2-9    2-9    3-11    2-9    2-10   
 Cost of hospitalization 55,036    52,000    52,692    <.01 55,010    52,653    53,743      .01
 Median $ (25th–75th IQR) (41,571–73,092)    (39,209–68,369)    (39,726–69,801)    (41,604–73,011)    (39,327–69,854)    (40,427–71,540)   

Abbreviation: IQR, interquartile range.