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Table 2 Odds ratio (95% CIs) of admissions from total CVD, respiratory, COPD, hypertension and stroke per 10 μg/m3 increase in a 3-day moving average (lag 0–2) concentration of PM2.5, with and without adjustment for pollutants

From: Effect of ambient fine particulates (PM2.5) on hospital admissions for respiratory and cardiovascular diseases in Wuhan, China

Pollutants

CVD

Respiratory

COPD

Hypertension

CHD

Stroke

PM2.5a

1.012 (1.010, 1.014)

1.020 (1.016, 1.023)

1.020 (1.014, 1.026)

1.011 (1.006, 1.017)

1.013 (1.009, 1.017)

1.011 (1.007, 1.015)

PM2.5 + NO2b

 PM2.5

1.003 (1.001, 1.005)

1.011 (1.007, 1.015)

1.012 (1.005, 1.019)

1.001 (0.994, 1.007)

0.999 (0.995, 1.005)

1.006 (1.001, 1.010)

 NO2

1.002 (1.001,1.002)

1.002 (1.001, 1.002)

1.002 (1.001, 1.003)

1.002 (1.002, 1.003)

1.003 (1.002, 1.003)

1.001 (1.001, 1.002)

PM2.5 + SO2b

 PM2.5

1.009 (1.007, 1.012)

1.013 (1.010, 1.017)

1.012 (1.005, 1.018)

1.009 (1.003, 1.015)

1.009 (1.004, 1.013)

1.011 (1.007, 1.015)

 SO2

1.001 (1.001, 1.002)

1.003 (1.002, 1.003)

1.004 (1.003, 1.005)

1.001 (0.999, 1.002)

1.002 (1.001, 1.003)

1.001 (0.999, 1.001)

PM2.5 + COb

 PM2.5

1.008 (1.006, 1.011)

1.013 (1.009, 1.017)

1.010 (1.003, 1.018)

1.009 (1.003, 1.016)

1.006 (1.001, 1.011)

1.011 (1.006, 1.015)

 CO

1.018 (1.010, 1.026)

1.031 (1.019, 1.043)

1.049 (1.026, 1.073)

1.008 (0.988, 1.029)

1.034 (1.019, 1.050)

1.002 (0.988, 1.016)

  1. aSingle-pollutant model: adjusted for temperature and humidity;
  2. bTwo-pollutant models: Model a additionally adjusted for gaseous pollutants (NO2, SO2 or CO) separately