Table 5. Combination of clinical symptoms and signs in 800 patients with pulmonary embolism.

	Number	(%)	(95% CI)
Only one of four symptoms*	337	(42)	(39–46)
Any two of four symptoms*	329	(41)	(38–45)
Any three of four symptoms*	90	(11)	(9–14)
At least one of four symptoms*	756	(94)	(93–96)
Other symptoms†	15	(2)	(1–3)
Symptoms and signs of DVT only	22	(3)	(2–4)
No symptoms at all	7	(1)	(0.4–2)

CI = confidence intervals. DVT = deep vein thrombosis.

^*Sudden onset dyspnea, chest pain, fainting or syncope, and hemoptysis. These symptoms are not explained otherwise.

^†Gradual onset dyspnea (n = 10); palpitations (n = 5).