Table 8 Comparison of mean air pollutant levels across different incidence categories of cardiovascular and cerebrovascular events.

From: The influence of meteorological factors and air pollution on acute cardiovascular and cerebrovascular events in Western Guizhou

ariable

Low incidence mean

Moderate incidence mean

High incidence mean

p-value

AQI

32.1

38.6

45.2

< 0.001

PM2.5 (µg/m3)

20.3

24.8

29.1

< 0.001

PM10 (µg/m3)

28.3

32.9

38.7

< 0.001

SO2 (µg/m3)

11.4

13.6

16.2

< 0.001

NO2 (µg/m3)

9.8

11.2

13

< 0.001

O3 (µg/m3)

57.5

62.2

68.4

< 0.01

CO (mg/m3)

0.5

0.6

0.7

< 0.05

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