Table 2 Regional Meniere’s disease cases and air pollution distribution in Korea between 2008 and 2015.

From: Association between Meniere’s disease and air pollution in South Korea

Study period:

2008–2015

2008–2015

2008–2015

2008–2015

2008–2015

2008–2015

2015a

2015a

Region

Cases of MD

Sample population

Incidence per 1000

SO2 percentiles (ppb)

NO2 percentiles (ppb)

CO percentiles (0.1 ppm)

O3 percentiles (ppb)

PM10 percentiles (μg/m3)

PM2.5 percentiles ( μg/m3)

Cases of MD

(n)

(n)

(n)

10

50

90

10

50

90

10

50

90

10

50

90

10

50

90

10

50

90

(n)

Gangwon

1280

33,008

38.78

1.6

2.9

6.9

8.1

13.0

21.6

3.2

4.9

8.5

17.1

27.2

45.3

20.4

41.4

76.0

10.5

22.3

45.7

241

Gyeonggi

5756

245,245

23.47

3.2

4.9

7.9

16.2

27.3

44.3

3.7

5.2

8.5

9.2

21.3

38.2

25.4

49.9

89.3

9.8

22.2

45.2

1012

Gyeongnam

2080

66,927

31.08

2.6

4.0

6.3

9.6

16.1

28.0

2.8

4.0

6.1

15.4

27.8

43.2

25.0

42.0

72.7

12.5

24.0

38.7

345

Gyeongbuk

1426

56,536

25.22

2.9

4.3

6.8

8.5

13.3

21.8

3.4

4.8

7.4

17.1

27.9

44.7

25.0

41.9

73.9

11.0

19.5

38.5

234

Gwangju

1408

29,451

47.81

2.3

3.4

5.4

10.4

18.3

31.3

3.3

4.7

7.4

12.3

25.6

42.1

19.0

38.0

72.0

10.8

23.4

42.5

207

Daegu

1299

50,343

25.80

2.3

3.9

7.6

11.7

21.1

38.6

2.9

4.5

7.3

9.4

23.3

41.9

23.3

42.5

77.0

10.5

22.4

40.1

232

Daejeon

923

31,799

29.03

1.8

3.4

6.7

10.8

18.9

33.3

2.9

4.4

7.9

8.6

22.3

40.3

17.9

38.4

71.3

11.0

25.0

50.0

57

Busan

1906

72,844

26.17

3.8

5.9

8.8

12.0

19.4

31.2

2.7

3.8

5.4

15.4

27.3

40.5

26.5

42.1

74.6

12.1

23.5

41.1

303

Seoul

5186

222,083

23.35

3.4

4.9

7.8

18.7

31.7

51.2

3.4

4.9

8.5

7.2

19.8

36.3

19.4

42.0

79.3

9.9

20.8

38.8

819

Ulsan

454

23,093

19.66

4.6

7.0

12.4

13.1

21.8

34.5

3.3

4.8

6.9

14.2

24.7

39.1

24.4

42.3

77.7

10.2

22.0

42.5

70

Incheon

1470

59,747

24.60

4.2

6.1

9.6

13.6

23.7

40.7

3.6

5.2

8.6

12.8

25.6

41.3

24.9

46.3

84.3

11.9

24.9

49.5

261

Jeonnam

2233

39,842

56.05

3.9

5.7

8.9

9.2

14.5

23.7

3.3

4.6

6.5

17.0

29.6

43.4

21.4

35.4

63.3

11.8

22.7

39.7

318

Jeonbuk

1550

37,405

41.44

2.9

4.0

5.9

8.5

13.4

22.4

3.2

4.4

6.8

13.5

25.2

41.3

23.5

45.3

80.5

12.0

31.2

60.0

172

Jeju

438

11,546

37.94

1.3

2.0

4.0

4.5

8.5

14.3

2.3

3.5

5.5

23.5

37.8

52.5

21.0

36.0

71.3

9.5

20.5

38.8

68

Chungnam

1281

45,833

27.95

2.3

3.7

6.2

8.6

14.1

23.6

3.4

4.8

7.7

15.7

28.0

43.7

20.6

40.5

73.6

11.0

23.0

44.0

 

Chungbuk

956

32,644

29.29

2.0

3.8

8.5

11.0

18.7

32.5

2.8

4.8

9.8

9.8

22.9

42.5

22.4

49.5

89.5

7.0

22.5

51.8

125

All regions

29,646

                    

4464

  1. MD Meniere’s disease.
  2. aIn analysis for PM2.5, Chungnam region with fewer than 20 cases was excluded.