Table 3 Percent increase (95% Confidence interval) in cause-specific mortality per 10 μg/m ³ increase in the same day and 2-day average PM _2.5

All

Cardiovascular

Same day

0.71

0.30

1.13

2 days average

1.33

0.87

1.78

Cerebrovascular

same day

0.49

−0.22

1.21

2 days average

1.13

0.36

1.90

All respiratory

same day

0.24

−0.42

0.90

2 days average

1.75

1.01

2.49

COPD

same day

0.36

−0.83

1.57

2 days average

1.94

0.63

3.27

Over 65 years of age

Cardiovascular

same day

0.77

0.32

1.23

2 days average

1.54

1.05

2.04

Cerebrovascular

same day

0.51

−0.28

1.31

2 days average

1.29

0.44

2.15

All respiratory

same day

0.41

−0.30

1.13

2 days average

2.13

1.34

2.93

COPD

same day

0.35

−0.94

1.65

2 days average

1.95

0.54

3.38