Table 2.

Proportion of misclassified events of PE and DVT in the Swedish National Patient Registry and Cause of Death Register

Time period	1985–2014		N/N	2009–2014		N/N
	% Misclassified	95% CI		% Misclassified	95% CI
DVT or PE	9.2	7.9–10.5	180/1951	6.6	5.0–8.1	63/959
PE	1.1	0.4–1.7	10/944	0.9	0.0–1.7	4/458
DVT	16.4	14.2–18.7	174/1059	13.2	10.0–16.3	59/448

Notes: N/N, number of misclassified events/total number of valid events.

Abbreviations: PE, pulmonary embolism; DVT, deep vein thrombosis.