Table 1.

Likelihood ratios for possible symptoms, signs, and investigation findings for acute aortic dissection

FINDINGSPOSITIVE LIKELIHOOD RATIO (95% CI)
Symptom
  • Tearing or ripping pain10.8 (5.2–22.0)
  • Migrating pain7.6 (3.6–16.0)
  • Sudden chest pain2.6 (2.0–3.5)
  • History of hypertension1.5 (0.8–3.0)
Sign
  • Focal neurologic deficit33.0 (2.0–549.0)
  • Diastolic heart murmur4.9 (0.6–40.0)
  • Pulse deficit2.7 (0.7–9.8)
Investigation findings
  • Widened mediastinum on x-ray scan3.4 (2.4–4.8)
  • Left ventricular hypertrophy on ECG3.2 (1.5–6.8)
  • ECG—electrocardiogram.

  • Data from Klompas.7