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Table 3 Correlation coefficients among air pollutants

From: The effect of ambient particle matters on hospital admissions for cardiac arrhythmia: a multi-city case-crossover study in China

Variables

PM2.5

PM10

NO2

SO2

CO

PM2.5

1.00

0.87*

0.67*

0.61*

0.68*

PM10

―

1.00*

0.64*

0.63*

0.60*

NO2

―

―

1.00

0.54*

0.59*

SO2

―

―

―

1.00

0.55*

CO

―

―

―

―

1.00

  1. *P < 0.001
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Environmental Health

ISSN: 1476-069X