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Table 2 Odds Ratios for respiratory and cardiovascular endpoints for continuous change in 24-h PM2.5 concentrations

From: The association of wildfire smoke with respiratory and cardiovascular emergency department visits in Colorado in 2012: a case crossover study

Health endpoint

Case count

1 h max ORa

Lag 0

Lag 0-1b

Lag 0-1-2b

Respiratory

Asthma & Wheeze (All ages)

1136

1.01 (1.00, 1.01)

1.07 (1.04, 1.10)

1.02 (1.01, 1.03)

 (Ages 0–18)

387

1.00 (0.99, 1.02)

1.01 (0.99, 1.03)

1.02 (0.99, 1.05)

 (Ages 19–64)

665

1.01 (1.00, 1.02)

1.01 (1.00, 1.01)

1.02 (1.00, 1.03)

 (Ages 65+)

84

1.06 (1.00, 1.12)

1.09 (1.01, 1.18)

1.08 (1.00, 1.17)

Upper respiratory infection

3376

1.00 (1.00, 1.01)

1.03 (1.00, 1.01)

1.00 (0.99, 1.01)

Pneumonia

955

1.00 (0.99, 1.01)

1.00 (0.95, 1.05)

0.99 (0.98, 1.02)

Bronchitis

413

1.00 (0.98, 1.02)

1.00 (0.98, 1.03)

1.01 (0.98, 1.03)

COPD

628

1.01 (1.00, 1.02)

1.02 (1.01, 1.03)

1.02 (1.01, 1.04)

Respiratory disease (All ages)

6610

1.01 (1.00, 1.01)

1.01 (1.00, 1.01)

1.01 (1.00, 1.01)

 (Ages 0–18)

2710

1.00 (0.99, 1.01)

1.00 (0.98, 1.01)

1.00 (0.99, 1.01)

 (Ages 19–64)

2915

1.01 (1.00, 1.02)

1.01 (1.00, 1.01)

1.01 (1.00, 1.02)

 (Ages 65+)

985

1.00 (0.99, 1.02)

1.01 (0.99, 1.03)

1.01 (0.99, 1.03)

Cardiovascular

Acute myocardial infarction

462

1.00 (0.99, 1.02)

1.00 (0.98, 1.02)

1.01 (0.99, 1.02)

Ischemic heart disease

722

1.00 (0.99, 1.01)

1.03 (0.99, 1.02)

1.01 (0.99, 1.02)

Dysrhythmia

1000

0.98 (0.96, 1.00)

0.98 (0.96, 1.00)

0.97 (0.94, 0.99)

Congestive heart failure

510

0.98 (0.95, 1.01)

0.98 (0.95, 1.01)

0.97 (0.94, 1.01)

Ischemic Stroke

576

1.00 (0.99, 1.01)

0.99 (0.97, 1.02)

0.99 (0.96, 1.02)

Peripheral vascular disease

411

0.98 (0.95, 1.02)

0.98 (0.95, 1.02)

0.97 (0.93, 1.02)

Cardiovascular disease

3219

0.99 (0.98, 1.00)

0.99 (0.98, 1.01)

0.99 (0.98, 1.00)

  1. a Change per 10 μg/m3
  2. b Moving average