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Table 3 Rate of STEMI associated with each interquartile range increase in pollutant concentration (2005–2016)

From: Changes in triggering of ST-elevation myocardial infarction by particulate air pollution in Monroe County, New York over time: a case-crossover study

Lag hours

Interquartile range

No. of STEMI

Odds ratio

95% confidence interval

PM2.5(μg/m3)

 0

7.59

858

1.03

0.95, 1.13

 0–2

7.33

848

1.05

0.96, 1.15

 0–11

6.57

855

1.02

0.93, 1.12

 0–23

6.21

854

1.01

0.91, 1.11

 0–47

5.71

848

0.98

0.89, 1.09

 0–71

5.30

833

0.96

0.87, 1.07

AMP (particles/cm3)

 0

698

779

1.07

0.97, 1.18

 0–2

688

771

1.05

0.96, 1.16

 0–11

693

780

1.03

0.91, 1.15

 0–23

670

772

1.01

0.89, 1.14

 0–47

602

763

1.01

0.88, 1.15

 0–71

543

751

0.97

0.85, 1.11

UFP (particles/cm3)

 0

3702

779

1.12

1.03, 1.22

 0–2

3506

771

1.11

1.02, 1.22

 0–11

3265

780

1.05

0.93, 1.18

 0–23

2955

772

1.00

0.88, 1.14

 0–47

2568

763

1.06

0.93, 1.22

 0–71

2349

751

1.00

0.86, 1.16

UFP 11-50 nm(particles/cm3)

 0

2755

779

1.13

1.04, 1.22

 0–2

2551

771

1.12

1.03, 1.21

 0–11

2344

780

1.03

0.92, 1.16

 0–23

2151

772

0.97

0.85, 1.12

 0–47

1862

763

1.04

0.90, 1.21

 0–71

1682

751

0.98

0.84, 1.15

UFP 50-100 nm(particles/cm3)

 0

1161

779

1.06

0.97, 1.14

 0–2

1108

771

1.06

0.97, 1.15

 0–11

1118

780

1.07

0.96, 1.20

 0–23

1035

772

1.05

0.94, 1.19

 0–47

952

763

1.09

0.95, 1.25

 0–71

844

751

1.02

0.89, 1.18

Black Carbon (μg/m3)

 0

0.44

891

1.09

1.01, 1.18

 0–2

0.43

885

1.09

1.00, 1.18

 0–11

0.42

891

1.05

0.95, 1.16

 0–23

0.39

893

1.05

0.94, 1.16

 0–47

0.35

884

1.10

0.98, 1.23

 0–71

0.33

881

1.03

0.91, 1.17

SO2(ppb)

 0

1.77

889

1.04

0.99, 1.09

 0–2

2.20

884

1.09

1.02, 1.18

 0–11

2.27

889

1.17

1.06, 1.29

 0–23

2.30

896

1.15

1.01, 1.30

 0–47

2.19

886

1.14

0.98, 1.33

 0–71

2.22

883

1.18

0.99, 1.41

O3 (ppb)

 0

18.0

884

0.89

0.77, 1.03

 0–2

17.3

872

0.90

0.78, 1.04

 0–11

15.2

888

0.92

0.80, 1.06

 0–23

13.7

893

0.92

0.79, 1.07

 0–47

12.9

887

0.87

0.73, 1.03

 0–71

12.3

883

0.90

0.75, 1.07

CO (ppm)

 0

0.23

866

1.15

1.02, 1.29

 0–2

0.23

852

1.13

1.00, 1.28

 0–11

0.21

873

1.10

0.96, 1.27

 0–23

0.22

875

1.07

0.91, 1.25

 0–47

0.21

870

1.10

0.94, 1.30

 0–71

0.21

864

1.08

0.91, 1.29

  1. Odds ratios were estimated from conditional logistic regression models adjusting for mean temperature and relative humidity during the same lag hour(s)
  2. STEMI ST-elevation myocardial infarction
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Environmental Health

ISSN: 1476-069X