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Table 1 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 24 h mean ORa (% change)
Lag 0 Lag 0-1b Lag 0-1-2b
Respiratory
Asthma & Wheeze (All ages) 1136 1.04 (1.02, 1.06) 1.05 (1.03, 1.07) 1.07 (1.04, 1.10)
 (Ages 0–18) 387 1.02 (0.98, 1.07) 1.03 (0.96, 1.10) 1.05 (0.97, 1.14)
 (Ages 19–64) 665 1.03 (1.00, 1.06) 1.03 (1.00, 1.06) 1.07 (1.02, 1.11)
 (Ages 65+) 84 1.12 (0.99, 1.27) 1.30 (1.06, 1.60) 1.29 (1.03, 1.61)
Upper respiratory infection 3376 1.02 (1.00, 1.03) 1.01 (0.99, 1.04) 1.01 (0.98, 1.04)
Pneumonia 955 0.99 (0.95, 1.03) 1.00 (0.95, 1.04) 1.00 (0.95, 1.05)
Bronchitis 413 1.00 (0.94, 1.06) 1.01 (0.95, 1.08) 1.02 (0.94, 1.10)
COPD 628 1.05 (1.02, 1.08) 1.07 (1.03, 1.11) 1.07 (1.02, 1.12)
Respiratory disease (All ages) 6610 1.02 (1.01, 1.03) 1.03 (1.01, 1.04) 1.03 (1.02, 1.05)
 (Ages 0–18) 2710 0.99 (0.97, 1.02) 0.99 (0.96, 1.02) 1.01 (0.97, 1.05)
 (Ages 19–64) 2915 1.03 (1.01, 1.04) 1.03 (1.01, 1.05) 1.03 (1.01, 1.06)
 (Ages 65+) 985 1.02 (0.98, 1.06) 1.03 (0.98, 1.09) 1.04 (0.98, 1.10)
Cardiovascular
Acute myocardial infarction 462 1.00 (0.96, 1.05) 1.01 (0.96, 1.06) 1.00 (0.94, 1.06)
Ischemic heart disease 722 1.01 (0.98, 1.05) 1.03 (1.00, 1.08) 1.04 (1.00, 1.08)
Dysrhythmia 1000 0.97 (0.93, 1.02) 0.97 (0.92, 1.02) 0.92 (0.87, 0.98)
Congestive heart failure 510 0.93 (0.86, 1.00) 0.95 (0.88, 1.03) 0.94 (0.86, 1.03)
Ischemic Stroke 576 0.99 (0.95, 1.04) 0.96 (0.89, 1.03) 0.97 (0.90, 1.05)
Peripheral vascular disease 411 0.95 (0.87, 1.03) 0.97 (0.89, 1.06) 0.93 (0.84, 1.03)
Cardiovascular disease 3219 0.98 (0.96, 1.01) 0.98 (0.96, 1.01) 0.97 (0.94, 1.00)
  1. a Change per 5 μg/m3
  2. b Moving average