Age, Race, Insurance Status Can Predict CV Mortality for Those With MPNs

November 2, 2024

Author(s): Mary Caffrey

Among those diagnosed with myeloproliferative neoplasms (MPNs), age, race, marital status, and insurance status can help predict cardiovascular mortality (CVM), based on an analysis of more than 24,000 US patient records.1

A new study finds that clinical factors and social determinants of health can predict cardiovascular mortality among patients with myeloproliferative neoplasms.

| Image Credit: yodiyim – stock.adobe.com

The study, appearing this week in Therapeutic Advances in Hematology,1 aimed to identify prognostic factors that can guide clinicians in treating patients with MPNs, which are a group of hematopoietic stem cell disorders that are generally diagnosed in individuals after age 40; according to the Leukemia & Lymphoma Society, most patients are diagnosed in their 60s or 70s.

The team from Sun Yat-sen University in China culled records for more than 48,000 patients diagnosed with MPNs between 2000 and 2018 from the Surveillance, Epidemiology, and End Results (SEER) database, but narrowed their analysis to those records for patients that lived at least a year and included other essential clinical information. That left a database of 24,277 patient records.

Among the demographic findings:

  • The database included 10,409 patients (42.9%) with polycythemia vera (PV), 3229 (13.3%) with myelofibrosis (MF) and 10,639 (43.8%) with essential thrombocythemia (ET).
  • Prevalence of the condition was higher among White males in PV and MF compared with females in ET.
  • At diagnosis, only 8.0% were younger than 40 years old; 29.0% were 40-59 years old, 47.0% were 60-79 years old; and 16% were older than 80 years of age.

The analysis took a snapshot of patients at 200 months of follow-up (16 years, 8 months) and found that the cumulative mortality was the following CVD (17.9%), other noncancer (22.1%), MPN (18.8%), and other cancers (6.1%). However, investigators found that more than 50% of patients initially diagnosed with MF died from their primary disease during this period, which may be due to conversion of their disease to acute myeloid leukemia.

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