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Insights into Imaging

Table 3 Multivariate analysis: pre-diagnostic factors affecting diagnostic yield of CTPA

From: Diagnostic yield of CT thorax angiography in patients suspected of pulmonary embolism: independent predictors and protocol adherence

Factor

OR

95 % CI

p value

Sex

0.641

0.460–0.894

0.009

Age

1.014

1.003–1.025

0.013

Dyspnea

1.589

1.098–2.299

0.014

Cough

0.655

0.437–0.980

0.039

Cardiac history

0.556

0.364–0.849

0.007

COPD

0.490

0.273–0.879

0.017

  1. Significant factors are shown with an odds ratio and a 95 % confidence interval
  2. CTPA computed tomography scan of the pulmonary arteries, OR odds ratio, 95 % CI 95 % confidence interval, COPD chronic obstructive pulmonary disease
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