Table 2.

Performance of the existing RR models in the estimation of air pollution-related mortality in China.

Performance	IER	NLP	GEMM
PM2.5 source	Ambient air pollution, active smoking, second-hand tobacco smoke, and household air pollution	Ambient air pollution	Ambient air pollution
Disease burden	Mortality of COPD, IHD, stroke, and LC; Incidence of ALRI	Mortality of COPD, IHD, stroke, and LC	Mortality due to NCD + LRI and 5-COD (including COPD, IHD, stroke, LC, and LRI)
Inclusion of Chinese cohort study	No	No	Yes
Inclusion of meteorological factors	No	No	No