Skip to main content

Table 2 Distribution of personal long-term exposure to outdoor air pollutants, based on geo-coded residential addresses for all patients and subgroups

From: Long-term personal air pollution exposure and risk for acute exacerbation of idiopathic pulmonary fibrosis

Personal long-term exposure to:

Mean value (SD)

Min—Max

p-value

All patients

(n = 118)

Residing in the Greater Athens Area (n = 66)

Living outside of the Greater Athens Area (n = 52)

Patients with telomere length ratio (n = 36)

AE-IPF

(n = 55)

Stable patients

(n = 63)

O3 (μg/m3)

76.8 (14.7)

53.3—105.7

67.0 (10.4)

53.3 – 93.5

89.3 (8.4)

67.6 – 105.7

78.5 (13.8)

53.5 – 102.3

73.6 (14.4)

53.3 – 100.0

79.6 (14.5)

55.5 – 105.7

0.4151/

 < 0.0012

NO2 (μg/m3)

22.2 (18.6)

0.6—55.8

36.1 (12.6)

4.7 – 55.8

4.7 (5.6)

0.6 – 30.2

20.6 (17.6)

1.1 – 55.8

26.7 (18.4)

0.9 – 55.8

18.3 (18.1)

0.6 – 50.8

0.534

 < 0.0012

PM2.5 (μg/m3)

27.2 (7.6)

16.2 – 43.1

32.2 (6.3)

20.6 – 43.1

20.7 (2.3)

16.2 – 31.6

26.5 (7.2)

18.6 – 40.7

28.5 (7.8)

18.5 – 43.1

26.0 (7.2)

16.2 – 40.7

0.519

 < 0.0012

PM10 (μg/m3)

30.5 (7.5)

17.9 – 46.6

35.4 (6.4)

23.3 – 46.6

24.2 (2.5)

17.9 – 34.6

29.8 (7.1)

21.8 – 43.8

31.7 (7.8)

21.0 – 46.6

29.3 (7.2)

17.9 – 43.9

0.518

 < 0.0012

  1. Abbreviations: O3 ozone, PM particulate matter, NO2 nitrogen dioxide, SD Standard Deviation, AE-IPF Acute Exacerbation of Idiopathic Pulmonary Fibrosis
  2. p-value1: independent samples t-test for assessing differences between patients with/without telomere length ratio measurement
  3. p-value2: independent samples t-test for assessing differences between patients residing in/out of the Greater Athens Area