To evaluate the burden of air pollution on years of life lost (YLL) in addition to mortality, we conducted a time series analysis based on the data on air pollution, meteorological conditions and 163,704 non-accidental deaths of Ningbo, China, 2009–2013. The mean concentrations of particulate matter with aerodynamic diameter <10 μm, particulate matter with aerodynamic diameter <2.5 μm, sulfur dioxide and nitrogen dioxide were 84.0 μg/m3, 60.1 μg/m3, 25.1 μg/m3 and 41.7 μg/m3, respectively. An increase of 10-μg/m3 in particulate matter with aerodynamic diameter <10 μm, particulate matter with aerodynamic diameter <2.5 μm, sulfur dioxide and nitrogen dioxide was associated with 4.27 (95% confidence interval [CI] 1.17–7.38), 2.97 (95% CI −2.01–7.95), 29.98 (95% CI 19.21–40.76) and 16.58 (95% CI 8.19–24.97) YLL, respectively, and 0.53% (95% CI 0.29–0.76%), 0.57% (95% CI 0.20–0.95%), 2.89% (95% CI 2.04–3.76%), and 1.65% (95% CI 1.01–2.30%) increase of daily death counts, respectively. The impact of air pollution lasted for four days (lag 0–3), and were more significant in the elderly than in the young population for both outcomes. These findings clarify the burden of air pollution on YLL and highlight the importance and urgency of air pollution control in China.
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机译：为了评估除死亡率之外的空气污染对生命损失的年限（YLL）的影响，我们基于空气污染，气象条件和163704例中国宁波市（2009-2013年）非意外死亡的数据进行了时间序列分析。空气动力学直径<10μm的颗粒物，空气动力学直径<2.5μm的颗粒物，二氧化硫和二氧化氮的平均浓度分别为84.0μg/ m 3 ，60.1μμg/ m 3 < / sup>，25.1μg/ m 3 和41.7μg/ m 3 。空气动力学直径<10μm的颗粒物，空气动力学直径<2.5μμm的颗粒物，二氧化硫和二氧化氮的增加10-μg/ m 3 与4.27（95％置信区间[ CI] 1.17–7.38），2.97（95％CI −2.01-7.95），29.98（95％CI 19.21–40.76）和16.58（95％CI 8.19–24.97）YLL，分别为0.53％（95％CI 0.29–9）每日死亡人数分别增加了0.76％，0.57％（95％CI 0.20–0.95％），2.89％（95％CI 2.04–3.76％）和1.65％（95％CI 1.01–2.30％）。空气污染的影响持续了四天（0-3滞后），在这两个方面，老年人的影响要比年轻人的影响大。这些发现阐明了YLL的空气污染负担，并突出了中国空气污染控制的重要性和紧迫性。
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