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Table 3 Percentage changes with 95% confidence intervals for the increase in daily cardiovascular admissions with a 2-day moving average (lag 0–1) based on particulate matter (PM2.5) concentrations with and without adjustment for copollutants in Beijing, 2013–2017

From: Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular disease in Beijing, China: a time-series study

Pollutants CVD AF CHD HF
Unadjusted PM2.5 0.30 (0.2,0.39) 0.29 (0.03,0.55) 0.34 (0.22,0.45) 0.10 (− 0.07,0.26)
Adjusted for SO2 0.23 (0.11,0.36) 0.12 (−0.21,0.45) 0.27 (0.13,0.42) 0.09 (− 0.12,0.3)
Adjusted for CO 0.26 (0.12–0.40) 0.28 (−0.19–0.75) 0.30 (0.14,0.46) 0.14 (− 0.24,0.52)
Adjusted for NO2 0.29 (0.16,0.42) 0.26 (−0.17,0.7) 0.95 (0.75,1.15) 0.13 (−0.18,0.39)
Adjusted for O3 0.31 (0.22,0.40) 0.31 (0.05,0.57) 0.35 (0.24,0.46) 0.11 (−0.05,0.27)
  1. Data are percentage changes (%) and 95% confidence intervals
  2. CO = carbon monoxide. PM2.5 = particulate matter with an aerodynamic diameter less than 2.5 μm. SO2 = sulfur dioxide. NO2 = nitrogen dioxide. O3 = ozone
  3. CVD: Cardiovascular disease. CHD: Coronary Heart Disease
  4. HF: Heart Failure. AF: Atrial Fibrillation