Research Article

Validation of a Decision Rule and Derivation of a Modified Rule to Obtain Chest Radiograph in Patients with Nontraumatic Chest Pain in the Emergency Department

Table 3

Associations of historical and physical findings with clinically relevant radiographic abnormalities on chest radiography.

VariableOdds ratio (CI) value

Age ≥ 653.3 (1.6–6.9)0.001
History of coronary disease0.69 (0.31–1.6)0.37
History of asthma0.56 (0.15–2.1)0.39
History of COPD0.66 (0.18–2.4)0.54
History of CHF9.4 (3.7–24)<0.0001
History of VTE0.98 (0.21–4.5)0.98
History of alcohol abuse9.5 (2.2–41)0.003
Hemoptysis2.6 (0.10–68)0.56
Fever7.5 (1.8–30)0.005
Hypoxia9.6 (1.0–90)0.05
Tachypnea4.2 (1.3–14)0.02
Wheezing2.7 (0.66–11)0.17
Rales2.0 (0.39–9.7)0.41
Rhonchi2.8 (0.42–19)0.29
Decreased breath sounds5.1 (1.2–23)0.03
Tender chest wall2.4 (0.86–6.8)0.09
Swollen lower extremity1.6 (0.61–4.3)0.33