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Table 5 Adjusted ORa for atrial fibrillation onset in two-pollutant modelb using case-crossover study in Taiwan during 2006–2011

From: Atrial fibrillation hospitalization is associated with exposure to fine particulate air pollutants

Pollutant

Day

ORa

(95% CI)

PM2.5 adj. CO

1

1.43

(1.14–1.79)

2

1.18

(0.94–1.47)

3

0.94

(0.75–1.18)

4

0.87

(0.70–1.09)

5

1.00

(0.83–1.20)

1–5

1.39

(1.03–1.86)

PM2.5 adj. NO

1

1.19

(1.01–1.41)

2

1.13

(0.95–1.34)

3

1.00

(0.84–1.19)

4

0.95

(0.81–1.13)

5

1.00

(0.85–1.18)

1–5

1.27

(0.97–1.66)

PM2.5 adj. NO2

1

1.33

(1.10–1.61)

2

1.25

(1.03–1.52)

3

1.09

(0.89–1.33)

4

0.98

(0.81–1.18)

5

1.03

(0.85–1.25)

1–5

1.57

(1.14–2.18)

PM2.5 adj. SO2

1

1.25

(1.03–1.52)

2

1.21

(0.99–1.47)

3

1.11

(0.91–1.36)

4

0.96

(0.79–1.16)

5

1.01

(0.83–1.23)

1–5

1.42

(1.03–1.96)

PM2.5 adj. O3

1

1.22

(1.02–1.45)

2

1.14

(0.95–1.36)

3

0.98

(0.81–1.78)

4

0.96

(0.80–1.15)

5

0.98

(0.82–1.18)

1–5

1.25

(0.93–1.68)

PM2.5 adj. O3, max 8 hr

1

1.30

(1.07–1.57)

2

1.15

(0.95–1.40)

3

1.00

(0.82–1.22)

4

0.95

(0.79–1.56)

5

1.04

(0.86–1.27)

1–5

1.37

(0.99–1.91)

  1. aOR calculated for an interquartile range increases of PM2.5 (26.2 μg/m3), CO (0.2 ppm), SO2 (1.9 ppb), NO (2.2 ppb), NO2 (8.5 ppb), NOx (9.6 ppb), O3 (14.3 ppb), O3* (26.2 ppb) and PM10 (42.5 μg/m3)
  2. bAll models adjusted for temperature and relative humidity