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Table 2 Correlations among air pollution indices

From: Prediction of risk of ischemic heart disease in first-diagnosed systemic lupus erythematosus patients in taiwan: is air pollution exposure a risk factor?

 

CO

NO2

O3

PM10

PM2.5

SO2

CO

1

0.968**

0.544**

0.465**

0.449**

0.652**

NO2

 

1

0.437**

0.408**

0.423**

0.685**

O3

  

1

0.821**

0.768**

0.793**

PM10

   

1

0.951**

0.739**

PM2.5

    

1

0.743**

SO2

     

1

  1. ** p < 0.01
  2. CO: carbon monoxide NO2: nitrogen dioxide O3: ozone
  3. PM10: particulate matter 10 PM2.5: particulate matter 2.5 SO2: sulfur dioxide
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BMC Rheumatology

ISSN: 2520-1026

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