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Table 3 Percentage changes in daily hospital admission for total and cause-specific cardiovascular disease per 1 mg/m3 increase in 2-day moving average (lag 0 − 1) concentration of carbon monoxide (CO), with and without adjustment of co-pollutants

From: Effects of ambient carbon monoxide on daily hospitalizations for cardiovascular disease: a time-stratified case-crossover study of 460,938 cases in Beijing, China from 2013 to 2017

 

Percentage changes (%) and 95% confidence intervals

Single pollutant model a

Multipollutant models b

Cardiovascular disease

2.8 (2.2 to 3.3)

0.7 (0.5 to 0.9)

Coronary heart disease

3.0 (2.4 to 3.6)

0.8 (0.6 to 1.0)

Atrial fibrillation

1.4 (−1.4 to 4.2)

0.8 (0.1 to 1.5)

Heart failure

1.2 (−0.4 to 2.7)

0.2 (−0.3 to 0.7)

  1. aWithout adjustment of co-pollutants
  2. bAdjustment of co-pollutants by principal component analysis