Table 5 Mean daily concentration of particulate matters exposure in time intervals in studied subjects
From: Effect of food intake and ambient air pollution exposure on ankylosing spondylitis disease activity
Day of sampling | Case | Control | ||
|---|---|---|---|---|
PM 2.5 μg/m3- mean (SD) | Pm10 μg/m3-mean (SD) | PM2.5 μg/m3-mean (SD) | Pm10 μg/m3-mean (SD) | |
| Â | 28.2 (13.2) | 85.4 (49.2) | 25.9 (20.5) | 60.0 (31.4) |
1 month before sampling | 28.7 (10.5) | 76.6 (39.3) | 30.0 (13.4) | 73.33 (27.8) |
3 months before sampling | 26.4 (6.8) | 76.7 (36.6) | 27.6 (9.2) | 67.44 (11.38) |