Table 5 Univariate and multivariate regression analysis between the incidence of cardiogenic shock events and the annual average concentration of each air pollutant before the symptom date of myocardial infarction.

From: Long-term air pollution exposure is associated with higher incidence of ST-elevation myocardial infarction and in-hospital cardiogenic shock

 

Univariate

Multivariate

OR (95% CI)

P value

OR (95% CI)

P value

SO2 (ppb)

1.122 (1.021–1.234)

0.017

1.104 (1.006–1.212)

0.037

CO (ppm)

1.090 (0.960–1.238)

0.182

1.076 (0.949–1.219)

0.254

O3 (ppb)

0.889 (0.853–0.926)

< 0.001

0.891 (0.857–0.928)

< 0.001

NO2 (ppb)

1.013 (0.985–1.041)

0.365

1.015 (0.988–1.042)

0.269

PM10 (µg/m3)

1.036 (1.019–1.053)

< 0.001

1.033 (1.018–1.050)

< 0.001

  1. Adjusted for age, body mass index, diabetes mellitus, dyslipidemia, heart failure, hypertension, left ventricular ejection fraction, percutaneous coronary intervention, previous ischemic heart disease, sex, smoking status, STEMI status, stroke, and family history of CAD. CI = confidence interval, CO = carbon monoxide, NO2 = nitrogen dioxide, O3 = ozone, OR = odds ratio, PM10 = particulate matter 10 µm or less in diameter, ppb = part per billion, ppm = part per million, SO2 = sulfur dioxide.
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