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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