BACKGROUND: The purpose of this study is to examine changes over time in survival for African American (AA) and white women diagnosed with cervical cancer (CC). METHODS: Surveillance, Epidemiology, and End Results (SEER) Program data from 1985 to 2009 were used for this analysis. Racial differences in survival were evaluated between African American (AA) and white women. Kaplan-Meier and Cox proportional hazards survival methods were used to assess differences in survival by race at 5-year intervals. RESULTS: The study sample included 23,368 women, including 3886 (16.6%) who were AA and 19,482 (83.4%) who were white. AA women were older (51.4 versus 48.9 years; P<.001) and had a higher rate of regional (38.3% versus 31.8%; P<.001) and distant metastasis (10.7% versus 8.7%; P<.001). AA less frequently received cancer-directed surgery (32.4% versus 46%; P<.001), and more frequently radiotherapy (36.3% versus 26.4%; P<.001). Overall, AA women had a hazard ratio (HR) of 1.41 (95% confidence interval=1.32-1.51) of cervical cancer (CC) mortality compared with whites. Adjusting for SEER registry, marital status, stage, age, treatment, grade, and histology, AA women had an HR of 1.13 (95% confidence interval=1.05-1.22) of CC-related mortality. After adjusting for the same variables, there was a significant difference in CC-specific mortality between 1985 to 1989 and 1990 to 1994, but not after 1995. CONCLUSIONS: After adjusting for race, SEER registry, marital status, stage, age, treatment, grade, and histology, there was a significant difference in CC-specific mortality between 1985 to 1989 and 1990 to 1994, but not after 1995.
BACKGROUND: The purpose of this study is to examine changes over time in survival for African American (AA) and white women diagnosed with cervical cancer (CC). METHODS: Surveillance, Epidemiology, and End Results (SEER) Program data from 1985 to 2009 were used for this analysis. Racial differences in survival were evaluated between African American (AA) and white women. Kaplan-Meier and Cox proportional hazards survival methods were used to assess differences in survival by race at 5-year intervals. RESULTS: The study sample included 23,368 women, including 3886 (16.6%) who were AA and 19,482 (83.4%) who were white. AA women were older (51.4 versus 48.9 years; P<.001) and had a higher rate of regional (38.3% versus 31.8%; P<.001) and distant metastasis (10.7% versus 8.7%; P<.001). AA less frequently received cancer-directed surgery (32.4% versus 46%; P<.001), and more frequently radiotherapy (36.3% versus 26.4%; P<.001). Overall, AA women had a hazard ratio (HR) of 1.41 (95% confidence interval=1.32-1.51) of cervical cancer (CC) mortality compared with whites. Adjusting for SEER registry, marital status, stage, age, treatment, grade, and histology, AA women had an HR of 1.13 (95% confidence interval=1.05-1.22) of CC-related mortality. After adjusting for the same variables, there was a significant difference in CC-specific mortality between 1985 to 1989 and 1990 to 1994, but not after 1995. CONCLUSIONS: After adjusting for race, SEER registry, marital status, stage, age, treatment, grade, and histology, there was a significant difference in CC-specific mortality between 1985 to 1989 and 1990 to 1994, but not after 1995.
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