Table 3 Result of Cox proportional hazard regression for primary outcome.

From: Clopidogrel plus Aspirin Use is Associated with Worse Long-Term Outcomes, but Aspirin Use Alone is Safe in Patients with Vasospastic Angina: Results from the VA-Korea Registry, A Prospective Multi-Center Cohort

 

HR

95% CI

p

Age

1.00

0.98

1.02

0.821

Female

0.96

0.57

1.59

0.876

History of CHD

1.48

0.84

2.61

0.170

Smoking

1.17

0.71

1.93

0.532

HTN

0.72

0.45

1.15

0.170

DM

1.16

0.59

2.30

0.657

Dyslipidemia

1.95

1.20

3.17

0.007

eGFR

1.00

0.95

1.00

0.320

Antiplatelet agents

No antiplatelet agent

reference

   

Aspirin

1.00

0.61

1.62

0.987

Clopidogrel

0.62

0.15

2.60

0.516

Aspirin + clopidogrel

2.15

1.13

4.07

0.019

Definite spasm

1.47

0.95

2.29

0.085

Calcium Channel blocker

0.96

0.46

2.00

0.906

  1. HR, Hazard ratio; CI, confidence interval; CHD, coronary heart disease; HTN, hypertension; DM, diabetes mellitus; PCI, percutaneous coronary intervention.
  2. *Primary outcome includes death, acute coronary syndrome, and arrhythmia.
Back to article page