图  3  单污染物模型和多污染物模型中各污染物浓度每升高IQR对居民四大系统疾病急救人次影响的两天移动平均值的滞后效应图

注：空心圆点表示差异有统计学意义，条形表示95%置信区间。

Figure  3.  Percent change in cause-specific emergency department visits for four major diseases per interquartile range (IQR) increment in 2-day moving average (current day and previous day) of daily SO2, NO2, CO, O3, PM2.5 concentrations according to single-pollutant and multipollutant models