Table 7.

Comparison of RR for a 10 μg/m³ increase in pollutant concentration worldwide.

Area	Year	Disease	PM10		SO2		NO2
			RR	95% CI	RR	95% CI	RR	95%CI
Beijing (current study)	2003–2008	CVD	1.00164	1.00144–1.00184	1.00022	0.99917–1.00127	1.00271	1.00086–1.00457
		RD	1.00101	1.00057–1.00145	1.00029	1.00018–1.00039	1.00947	1.00759–1.01135
Beijing [51]	2003	CVD	1.004	1.002–1.006	1.004	1.001–1.008	1.013	1.002–1.024
American [53]	1987–2000	CVD&RD	1.0024	1.0013–1.0036
Netherlands [54]	1992–2006	CVD	1.002	1.001–1.004			1.008	1.005–1.011
		RD	1.004	1.002–1.007			1.008	1.003–1.012
Hong Kong [50]	1996–2002	CVD	1.0058	1.0014–1.0103	1.0103	1.0021–1.0185	1.0117	1.0061–1,0173
		RD	1.0089	1.0036–1.0142	1.0106	1.0006–1.0206	1.0092	1.0025–1.016
Vienna [52]	2000–2004	CVD	1.002	1.0009–1.0031			1.0046	1.0029–1.0063
		RD	1.0035	1.0001–1.0069			1.0067	1.0027–1.0108