Table 4 Mean annual exposure to outdoor air pollutants at the home address of the 58 subjects included in the modelling study, grouping participants according to their COPD severity
PM10 (µg/m3) | PM2.5 (µg/m3) | NO2 (µg/m3) | O3 (µg/m3) | |
|---|---|---|---|---|
PFT results N = 52 (89.8) | ||||
GOLD stage I N = 3 (5.8) | 19.9 ± 0.1 [19.8–20.0] | 12.9 ± 0.0 [12.9–12.9] | 19.8 ± 0.5 [19.4–20.4] | 40.2 ± 1.5 [28.5–41.4] |
GOLD stage II N = 13 (25.0) | 20.1 ± 1.2 [19.0–23.1] | 13.1 ± 0.8 [12.2–15.0] | 20.4 ± 2.6 [17.6–25.5] | 39.1 ± 2.5 [35.9–42.4] |
GOLD stage III N = 21 (40.4) | 20.3 ± 1.2 [18.8–23.2] | 13.8 ± 1.0 [12.1–15.4] | 20.8 ± 2.8 [15.5–26.0] | 38.3 ± 3.4 [31.9–45.4] |
GOLD stage IV N = 15 (28.8) | 19.9 ± 1.11 [19.0–23.0] | 13.0 ± 0.9 [12.1–15.1] | 19.7 ± 2.7 [15.5–26.3] | 39.8 ± 3.1 [33.1–45.0] |
No recent PFT results N = 6 (10.2) | 20.4 ± 1.6 [19.0–23.2] | 13.3 ± 1.2–12.2–15.1] | 21.2 ± 3.5 (17.9–26.3] | 38.2 ± 3.4 [33.4–41.8] |