Table 5: Propensity score analysis evaluating the association between pre-ICU admission antiplatelet therapy and hospital death after stratifying by quintile of antiplatelet propensity.

StrataPropensity score rangeOdds ratio (95% CI)P value

1 ( )0–0.200.61 (0.17–2.23)0.45
2 ( )0.21–0.400.66 (0.34–1.27)0.21
3 ( )0.41–0.601.01 (0.47–2.16)0.97
4 ( )0.61–0.800.35 (0.14–0.87)0.02
5 ( )0.81–10.52 (0.12–2.21)0.37

Overall ( )0.65 (0.44–0.96)0.03

n: number.