Blood variable | 3 day personal exposure estimates | 3 day city centre PM10 | |||||
---|---|---|---|---|---|---|---|
Mean change | 95% CI | p value | Mean change | 95% CI | p value | ||
Haemoglobin (g/dl) | −0.44 | −0.62 to −0.26 | <0.001 | −0.73 | −1.11 to −0.36 | <0.001 | |
Packed cell volume (ratio) | −0.016 | −0.022 to −0.01 | <0.001 | −0.013 | −0.025 to −0.001 | 0.029 | |
Red cell count (×1012/l) | −0.14 | −0.20 to −0.08 | <0.001 | −0.18 | −0.29 to −0.07 | 0.001 | |
Platelets (×1012/l) | −10.8 | −21.2 to −0.4 | 0.039 | +9.8 | −11.4 to +31.0 | 0.36 | |
White cell count (×109/l)1-150 | −1% | −5% to +4% | 0.67 | −2% | −11% to +8% | 0.61 | |
IL-6 (pg/ml)1-150 | −7% | −28% to +21% | 0.59 | +10% | −37% to +91% | 0.73 | |
C reactive protein (g/l)1-150 | +7% | −36% to +36% | 0.73 | +147% | +20% to +477% | 0.014 | |
Fibrinogen (g/l)1-150 | −1% | −6% to +4% | 0.80 | −9% | −19% to 0% | 0.042 | |
Factor VII (% standard)1-150 | −7% | −14% to −1% | 0.014 | +1% | −11% to +15% | 0.88 |
↵1-150 These values have been log transformed and are expressed as mean percentage change per 100 μg/m3 increase in PM10.