Factors Associated With Radiation Treatment Compliance for Women With Cervical Cancer in a Safety Net Health System

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Abstract

Objective

The aim of the study was to determine whether patient characteristics are associated with radiation treatment noncompliance.

Methods/Materials

We retrospectively studied 244 patients with cervical cancer treated with chemoradiation between May 2006 and August 2015 at a safety net health center. Compliance with treatment was defined as missing less than 2 days of scheduled radiation.

Results

Treatment records revealed a compliance rate of 50.8% in this population. Factors associated with noncompliance were younger age (hazard ratio [HR], 1.037; P = 0.004), presence of psychiatric diagnosis (HR, 0.581; P = 0.044), and having insurance (HR, 0.484; P = 0.022). Noncompliance was associated with a decrease in disease-free survival (HR, 0.555; P = 0.042) but was not associated with overall survival. International Federation of Gynecology and Obstetrics stage was associated with detriment in overall survival on multivariate analysis (HR, 2.034; P = 0.001).

Conclusions

Younger patients, those with psychiatric illness, and those with insurance define a group that is more likely to be noncompliant with treatment and hence may require up-front intervention to improve outcomes.

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