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Table 1 Distribution of pollution and meteorological data and daily respiratory emergency room visits and hospital admissions during dust and control days as well as pollution and meteorological data for the whole 6-year period

From: Desert dust outbreaks and respiratory morbidity in Athens, Greece

 

Desert dust days

N = 132

Control days

N = 177

Whole period

2001-2006

Pollution data in μg/m3

(median (25th–75th percentile))

 PM10

45.9 (36.5–78.5)

44.0 (34.6–54.2)

39.6 (30.7–50.8)

 SO2

10.3 (6.8–16.4)

13.8 (9.0–20.3)

13.0 (7.9–20.6)

 NO2

40.3 (32.0–48.9)

48.0 (39.7–60.4)

44.2 (34.8–54.6)

 O3

61.8 (46.5–72.4)

71.7 (51.4–90.9)

68.7 (47.5–90.2)

Meteorological data (mean (standard deviation))

 Temperature (°C)

18.9 (5.2)

19.1 (5.9)

18.0 (12.4–24.8)

 Relative humidity (%)

69.1 (14.8)

67.1 (14.4)

67.1 (56.0–76.9)

Number of daily emergency room visits

(median (25th–75th percentile))

 Total visits per day

50 (35–68)

38 (25–47)

 

 Male patients

27 (19–35)

19 (12–25)

 

 Female patients

23 (15–32)

17 (12–23)

 

 Age 18-64 years

30 (19–39)

22 (14–27)

 

 Age ≥ 65 years

20 (13–29)

16 (10–21)

 

 Total hospital admissions per day

15 (10–22)

12 (6–16)

 

 Male patients

8 (5–13)

7 (4–10)

 

 Female patients

5 (3–9)

4 (2–7)

 

 Age 18-64 years

5 (3–8)

4 (2–6)

 

 Age ≥ 65 years

9 (6–14)

8 (4–11)