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Table 1 Comparison of RR for a 10 μg m -3 increase of PM10 in different areas

From: Assessment of population exposure to PM10 for respiratory disease in Lanzhou (China) and its health-related economic costs based on GIS

Case

RR

95% CI

Tacoma(Schwartz,1995)

1.019

1.006~1.032

Spokane(Schwartz,1996)

1.016

1.007~1.026

London(Atkinson,1999)

1.010

1.004~1.016

APHEA(Atkinson,2001)

1.009

1.006~1.013

USA(Zanobetti,2000)

1.020

1.015~1.024

Ontario(Schwartz,1995)

1.012

1.008~1.016

New York(Schwartz,1995)

1.010

1.002~1.019

New Haven(Schwartz,1995)

1.012

1.000~1.025