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Katz A , Eifel PJ , Moughan J , Owen JB , Mahon I , Hanks GE
Socioeconomic characteristics of patients with squamous cell carcinoma of the uterine cervix treated with radiotherapy in the 1992 to 1994 patterns of care study
International Journal of Radiation Oncology Biology Physics. 2000 May 1;47(2) :443-450
AbstractPurpose: To describe the relationship between socioeconomic variables and the treatment of patients with radiotherapy for cervix cancer. Methods and Materials: Sixty-two institutions were randomly selected from a list of all radiotherapy facilities in the United States. From these we randomly selected and reviewed 471 cases of squamous cell carcinoma treated during 1992 to 1994. To create an additional minority- rich sample, we randomly selected 215 additional cases from 17 randomly selected institutions that admitted > 40% minority patients. The median household income of each patient's neighborhood was determined by matching her zip code to data from the 1990 United States Census. Results: Patients who lived in low-income neighborhoods, who had only Medicaid coverage, or who were treated at large academic or minority-rich institutions tended to have a poorer initial performance status, higher-stage or bulky central disease, and a lower pretreatment hemoglobin level. Ability to complete treatment did not correlate with ethnicity or income. However, noncompliant patients tended to be treated at minority-rich institutions and were more often less than or equal to 40 or > 60 years old. Patients who completed definitive treatment were more likely to have had less than or equal to 1 low-dose-rate intracavitary implants if they were black, came from a low- income neighborhood, were covered by Medicaid or Medicare only, or were treated at a minority-rich institution. Patients who were treated in academic institutions received higher mean radiation doses to Point A (83.8 Gy) than those treated in research- or non-research-participating facilities (79.4 and 80.9 Gy, respectively; p = 0.002). Patients who received their radiation therapy in facilities that treated an average of less than or equal to 3 patients per year also received lower mean doses to Point A (79.1 vs. 83.0 Gy; p = 0.001). Conclusion: The treatment received by patients who belonged to minority groups, came from low-income neighborhoods, or were treated in large, minority-rich institutions differed in several respects from that of white, higher income patients. Larger, more detailed studies will be needed to clarify the reasons for these differences and to define any influence on treatment outcome. (C) 2000 Elsevier Science Inc.
NotesTimes Cited: 1 English Article 314AH INT J RADIAT ONCOL BIOL PHYS