Monreal M, Agnelli G, Chuang LH, Cohen AT, Gumbs PD, Bauersachs R, Mismetti P, Gitt AK, Kroep S, Willich SN, Van Hout B. Deep Vein Thrombosis in Europe-Health-Related Quality of Life and Mortality.
Clin Appl Thromb Hemost 2020;
25:1076029619883946. [PMID:
31840534 PMCID:
PMC7027084 DOI:
10.1177/1076029619883946]
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Abstract
Objectives:
Deep vein thrombosis (DVT) is a major health-care burden in Europe, but exact estimates
are lacking. This study reports results from the PREFER venous thromboembolism (VTE)
study concerning health-related quality of life (HrQoL) and mortality of patients with
DVT.
Methods:
PREFER VTE was a prospective, observational study, conducted in 7 European countries,
designed to provide data concerning treatment patterns, resource utilization, mortality,
and QoL. First-time or recurrent patients with DVT were followed at 1, 3, 6, and 12
months. Health-related QoL—as measured by the EuroQoL 5-Dimension 5-Level instrument (
EQ-5D-5L)—was analyzed using Tobit regression with repeated measures, assessing the
impact of baseline characteristics stratified by cancer activity. Mortality was analyzed
using logistic regression.
Results:
At baseline, patients with DVT had a 0.14 lower EQ-5D-5L index score (0.72 for total
sample) compared to the reference UK population (0.85). The EQ-5D-5L index score
improved from baseline to 12 months in patients with active cancer (from 0.70 to 0.79)
and those without (0.72-0.87); 7.3% died within a year, a 5.2% excess mortality compared
to the age- and gender-adfjusted general population. The 12-month mortality rate of DVT
varied between 2.9% in the pooled data from Germany, Switzerland, or Austria and 15.4%
in Italy. Furthermore, the mortality rate differed between patients with active cancer
and those without (42.9% vs 4.7%).
Conclusions:
Deep vein thrombosis is associated with a substantial burden of illness in terms of
HrQoL at baseline, which following treatment normalizes after 12 months and has a
significant mortality rate. In addition, active cancer has a significant impact on
mortality and the HrQoL of patients with DVT.
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