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. 2017 Aug 9;8(39):66438–66448. doi: 10.18632/oncotarget.20090

Table 1. Contextual details of studies included in the meta-analysis.

Study Year City Study period Study design Air pollutant Lags exposure Model
Xu et al. 2017 Beijing, China 2013 Time-series PM2.5, NO2, SO2, O3, CO 0, 1, 2, 3, 4, 0–1, 0–3, 0–5 GAM
Qin et al. 2016 Zhengzhou, China 2013–2015 Time-series O3 0–1 GAM
Lin et al. 2016 China 2013–2015 Time-series PM2.5, SO2, NO2, O3 0–3 GAM
Xie et al. 2015 Beijing, China 2010–2012 Time-series PM2.5 0, 1, 2, 3, 4, 0–2, 0–4 GAM
Li et al. 2015 Beijing, China 2005–2009 Time-series PM2.5 1,2 GAM
Zhang et al. 2014 Guangzhou, China 2008–2011 Time-series PM10, SO2, NO2 0–5 GAM
Tong et al. 2014 Tianjin, China 2008–2011 Time-series PM10, SO2, NO2 0, 0–1 GLM
Yu et al. 2013 Hong Kong, China 1998–2007 Time-series PM10, NO2 0–3 GAM
Wang et al. 2013 Tianjin, China 2006–2010 Time-series PM10, SO2, NO2 0, 1, 2, 0–3 GAM
Huang et al. 2013 Hong Kong, China 1998–2007 Time-series PM10, NO2, O3, SO2 0, 1, 0–3 GAM
Geng et al. 2013 Shanghai, China. 2007–2008 Time-series PM2.5 3 NG
Yu et al. 2012 Guangzhou, China 2006–2009 Time-series PM10, SO2, NO2 0–1 GAM
Yang et al. 2012 Suzhou, China 2006–2008 Time-series O3 0–1 GAM
Yang et al. 2012 Guangzhou, China 2007–2008 Case-crossover PM2.5 0–1 Logistic
Tao et al. 2012 China 2006–2008 Time-series PM10, NO2, O3 0–2 GLM
Xia et al. 2012 China 2001–2008 Time-series PM10 0–1 GAM
Huang et al. 2012 Xi’an, China 2004–2008 Time-series PM2.5 0–2 GAM
Chen et al. 2012 China 2001–2008 Time-series NO2 0–1 GLM
Chen et al. 2012 China 2006–2009 Time-series PM10 0–1 GAM
Ma et al. 2011 Shenyang, China 2006–2008 Case-crossover PM2.5 0–1 GAM
Chen et al. 2011 China 2006–2008 Time-series PM2.5, PM10 0, 1, 2, 0–1, 0–2 GLM
Qian et al. 2010 Xian, China 2004–2008 Time-series PM2.5 0–1 GAM
Chen et al. 2010 Anshan, China 2005–2007 Time-series PM10, SO2, NO2 0, 6, 0–1, 0–6 GAM
Chen et al. 2010 Shanghai, China. 2005–2007 Time-series PM10, SO2, NO2 0, 6, 0–1, 0–6 GLM
Huang et al. 2009 Shanghai, China. 2004–2005 Time-series PM2.5 0 GAM
Cao et al. 2009 Shanghai, China. 2005–2007 Time-series PM10, SO2 0, 6, 0–1, 0–6 GLM
Wong et al. 2008 China 2001–2004 Time-series PM10, SO2, NO2, O3 0–1 GLM
Chen et al. 2008 Shanghai, China. 2001–2004 Time-series PM10, SO2, NO2 0–1 GAM
Qian et al. 2007 Wuhan, China 2001–2004 Time-series PM10, O3 0, 4, 0–1, 0–4 GAM
Kan et al. 2007 Shanghai, China 2004–2005 Time-series PM2.5, PM10 0–1 GAM

GAM, Generalized additive model. GLM, Generalized linear model. Logistic, Logistic regression model.