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Table 4 Prevalence of hemorrhagic events

From: Comparative effect of clopidogrel and aspirin versus aspirin alone on laboratory parameters: a retrospective, observational, cohort study

Hemorrhagic event

Clopidogrel plus aspirin (n = 159)

Aspirin alone (n = 834)

Propensity adjustment

Multivariate model

 

no. (%)

Relative risk (95% CI)

P

Relative risk (95% CI)

P

Intracranial hemorrhage

5 (3.14%)

17 (2.04%)

1.71 (0.99, 2.94)

0.0507

1.23 (0.76, 2.01)

0.4009

Gastrointestinal bleeding

5 (3.14%)

6 (0.72%)

2.61 (1.18, 5.80)

0.0184

2.06 (1.02, 4.13)

0.0430

  1. Abbreviation: CI confidence interval.