Table 3 PM concentration in the different hospital wards.
Hospital | Ward | PM concentration (μg/m3) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Spring | Summer | Autumn | Winter | |||||||||||||||
PM1–2.5 | PM0.5–1 | PM0.25–0.5 | PM< 0.25 | PM1–2.5 | PM0.5–1 | PM0.25–0.5 | PM< 0.25 | PM1–2.5 | PM0.5–1 | PM0.25–0.5 | PM< 0.25 | PM1–2.5 | PM0.5–1 | PM0.25–0.5 | PM< 0.25 | |||
A | OR | Mean | 22.8 | 34.2 | 91.3 | 68.5 | 34.4 | 34.6 | 46.2 | 18.6 | 34.1 | 34.1 | 22.7 | 11.3 | 22.5 | 33.8 | 56.3 | 22.5 |
SD | 0.0 | 16.1 | 96.8 | 96.8 | 15.9 | 16.6 | 33.0 | 32.8 | 16.1 | 16.1 | 32.1 | 16.0 | 0.01 | 16.0 | 15.9 | 31.9 | ||
EM | Mean | 45.5 | 45.5 | 34.1 | 45.5 | 115.6 | 104.0 | 34.4 | 18.6 | 56.8 | 34.0 | 45.4 | 22.7 | 79.5 | 45.4 | 11.3 | 11.4 | |
SD | 0.0 | 0.0 | 16.1 | 32.2 | 131.3 | 114.9 | 15.8 | 0.5 | 48.2 | 16.0 | 32.2 | 0.03 | 47.8 | 31.9 | 16.0 | 16.1 | ||
INT | Mean | 34.2 | 68.4 | 34.2 | 22.8 | 45.8 | 22.9 | 18.3 | 9.1 | 68.2 | 45.4 | 45.4 | 34.0 | 78.9 | 22.5 | 11.3 | 35.1 | |
SD | 16.1 | 96.7 | 16.1 | 32.2 | 32.5 | 0.05 | 32.3 | 16.2 | 64.5 | 0.2 | 0.2 | 16.0 | 47.6 | 0.1 | 15.9 | 16.0 | ||
B | OR | Mean | 34.7 | 11.6 | 34.7 | 69.5 | 46.1 | 23.1 | 23.0 | 9.2 | 22.8 | 34.1 | 22.8 | 22.8 | 45.2 | 22.6 | 11.2 | NDa |
SD | 16.4 | 16.4 | 16.4 | 65.5 | 32.5 | 0.1 | 32.6 | 16.3 | 0.1 | 16.0 | 0.01 | 0.01 | 32.1 | 0.14 | 15.9 | ND | ||
EM | Mean | 34.7 | 11.6 | 34.7 | 69.5 | 69.1 | 46.1 | 34.6 | 9.2 | 34.0 | 56.9 | 34.0 | 22.7 | 11.3 | 22.7 | 45.4 | 68.1 | |
SD | 98.1 | 0.0 | 0.0 | 16.3 | 0.1 | 32.6 | 16.3 | 16.3 | 15.9 | 48.5 | 48.0 | 0.1 | 16.0 | 0.1 | 32.3 | 64.4 | ||
INT | Mean | 11.6 | 34.7 | 34.7 | ND | 57.5 | 46.0 | 23.0 | 34.5 | 56.6 | 34.0 | 22.7 | 11.3 | 90.6 | 45.3 | ND | 35.1 | |
SD | 16.3 | 16.3 | 16.3 | ND | 16.5 | 0.2 | 0.1 | 16.4 | 15.7 | 16.2 | 32.2 | 16.1 | 64.2 | 32.1 | ND | 16.0 | ||
