Table 4 Univariate and multivariate regression analysis of the incidence of STEMI compared with NSTEMI regarding annual average concentration of each air pollutant before symptom date.

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)

1.044 (0.998–1.093)

0.060

1.041 (0.995–1.089)

0.084

CO (ppm)

1.037 (0.978–1.100)

0.225

1.036 (0.977–1.099)

0.236

O3 (ppb)

0.990 (0.972–1.009)

0.293

0.989 (0.971–1.007)

0.239

NO2 (ppb)

1.000 (0.987–1.012)

0.943

0.999 (0.987–1.012)

0.914

PM10 (µg/m3)

1.008 (1.001–1.014)

0.027

1.009 (1.002–1.016)

0.012

  1. Adjusted for Age, body mass index, diabetes mellitus, dyslipidemia, heart failure, hypertension, previous ischemic heart disease, sex, smoking 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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