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Table 3 Risk (and 95% confidence intervals) of STEMI and NSTEMI associated with each interquartile range increase in pollutant concentration

From: Ambient fine particulate air pollution triggers ST-elevation myocardial infarction, but not non-ST elevation myocardial infarction: a case-crossover study

   

STEMI

NSTEMI

Pollutant

Lag hours

IQR

n

Odds ratio

95% confidence interval

p-value

n

Odds ratio

95% confidence interval

p-value

 

0

7.1

338

1.18

1.01-1.38

0.04

339

0.93

0.78-1.09

0.36

 

0-2

6.8

335

1.15

0.99-1.35

0.07

338

0.93

0.79-1.10

0.39

PM2.5

0-11

6.1

333

1.12

0.95-1.31

0.17

338

1.00

0.85-1.17

0.99

(μg/m3)

0-23

5.9

329

1.11

0.93-1.32

0.24

335

1.04

0.88-1.22

0.68

0-47

5.4

332

0.94

0.79-1.13

0.53

330

1.02

0.85-1.22

0.81

0-71

5.1

318

0.82

0.67-1.00

0.05

327

1.00

0.83-1.21

0.96

 

0-95

5.1

314

0.85

0.69-1.05

0.12

328

1.00

0.82-1.23

0.99

 

0

4245

270

1.03

0.95-1.12

0.51

283

0.99

0.90-1.10

0.88

 

0-2

4159

275

1.00

0.89-1.13

0.99

284

1.02

0.92-1.13

0.69

UFP

0-11

3475

274

1.05

0.90-1.23

0.53

284

1.04

0.91-1.20

0.60

(particles/cm3)

0-23

3284

274

1.06

0.89-1.26

0.50

276

1.01

0.86-1.18

0.90

0-47

2989

273

1.01

0.84-1.21

0.92

277

0.96

0.80-1.16

0.70

0-71

2834

274

1.03

0.84-1.25

0.80

279

0.93

0.75-1.15

0.49

 

0-95

2742

278

1.06

0.86-1.30

0.60

278

0.89

0.71-1.12

0.33

 

0

860

270

1.07

0.91- 1.27

0.39

283

0.97

0.82-1.15

0.70

 

0-2

871

275

1.03

0.86-1.23

0.75

284

0.96

0.80-1.14

0.62

AMP

0-11

840

274

1.11

0.91-1.36

0.32

284

0.97

0.80-1.17

0.73

(particles/cm3)

0-23

775

274

1.12

0.92- 1.38

0.26

284

0.97

0.81-1.17

0.78

0-47

673

273

1.10

0.90- 1.35

0.33

277

0.94

0.78-1.12

0.48

0-71

615

274

1.04

0.85- 1.27

0.69

279

0.92

0.76-1.10

0.34

 

0-95

558

278

1.04

0.86- 1.26

0.67

278

0.89

0.74-1.07

0.21