Social deprivation index may predict outcomes after PCI
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Key takeaways:
- In patients who had PCI, those with a higher social deprivation index had increased risk for congestive heart failure readmissions and death.
- Those with a higher social deprivation index had more comorbidities.
High social deprivation index as a marker of lower socioeconomic resources is associated with increased risk for recurrent hospitalization for congestive heart failure and death after PCI, researchers reported.
“Markers of social deprivation, such as the social deprivation index, may be utilized to help identify patients in neighborhoods at higher risk for adverse outcomes after PCI,” Asad J. Torabi, MD, a cardiovascular disease fellow at Indiana University School of Medicine, told Healio. “This is an analysis of a multicenter PCI registry in Indiana that has long-term follow-up. The social deprivation index (SDI) is defined from census tract data and the relatively large cohort is stratified in quintiles. The quintile with lowest socioeconomic status, based on highest SDI, has greater adjusted mortality and congestive HF admission in follow-up.”
Data were derived from Torabi AJ, et al. Catheter Cardiovasc Interv. 2023;doi:10.1002/ccd.30642.
In a retrospective study, Torabi and colleagues analyzed data from 12,044 patients who underwent PCI and had available SDI data between 2015 and 2021 and were included in a multicenter cardiac catheterization registry study. Researchers assessed baseline characteristics, congestive HF readmission rates and survival among patients during a median follow-up of 3 years, stratified by highest and lower SDI.
The findings were published in Catheterization and Cardiovascular Interventions.
Compared with patients in the lower SDI quintiles (n = 10,201), those within the highest SDI quintile (n = 1,843) had more comorbidities and a higher risk for death (HR = 1.22; 95% CI, 1.1-1.39; P = .004; log-rank P = .009) and congestive HF readmission (HR = 1.56; 95% CI, 1.39-1.75; P < .001; log-rank P < .001). Results persisted in analyses adjusted for factors associated with the highest SDI scores.
“We believe our work adds to the literature on socioeconomic disparities and health outcomes,” Torabi told Healio. “While it helps make the argument that socioeconomic disparities are important, more research needs to be done in helping to fix the problem.”
For more information:
Asad J. Torabi, MD, can be reached at ajtorabi@iupui.edu; Twitter: @torabi_asad.
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