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. 2016 Jan;26(1):28-35.
doi: 10.1016/j.annepidem.2015.10.004. Epub 2015 Oct 19.

Disparities in cervical cancer survival among Asian-American women

Van T Nghiem  1 , Kalatu R Davies  2 , Wenyaw Chan  3 , Zuber D Mulla  4 , Scott B Cantor  5
Affiliations

Disparities in cervical cancer survival among Asian-American women

Van T Nghiem et al. Ann Epidemiol. 2016 Jan.

Abstract

Purpose: We compared overall survival and influencing factors between Asian-American women as a whole and by subgroup with white women with cervical cancer.

Methods: Cervical cancer data were from the Surveillance, Epidemiology, and End Results registry; socioeconomic information was from the Area Health Resource File. We used standard tests to compare characteristics between groups; the Kaplan-Meier method with log-rank test to assess overall survival and compare it between groups; and Cox proportional hazards models to determine the effect of race and other covariates on overall survival (with and/or without age stratification).

Results: Being 3.3 years older than white women at diagnosis (P < .001), Asian-American women were more likely to be in a spousal relationship, had more progressive disease, and were better off socioeconomically. Women of Filipino, Japanese, and Korean origin had similar clinical characteristics compared to white women. Asian-American women had higher 36- and 60-month survival rates (P = .004 and P = .013, respectively), higher overall survival rates (P = .049), and longer overall survival durations after adjusting for age and other covariates (hazard ratio = 0.77, 95% confidence interval: 0.68-0.86). Overall survival differed across age strata between the two racial groups. With the exception of women of Japanese or Korean origin, Asian-American women grouped by geographic origin had better overall survival than white women.

Conclusions: Although Asian-American women, except those of Japanese or Korean origin, had better overall survival than white women, their older age at cervical cancer diagnosis suggests that they have less access to screening programs.

Keywords: Asian-Americans; Cervical cancer; Ethnicity; Health care disparities; Race; Survival.

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Conflict of interest statement

Disclosure of conflicts: None.

Figures

Figure 1
Figure 1
Kaplan-Meier curves comparing overall survival probabilities between Asian American women and white women diagnosed with cervical cancer. Overall survival significantly differed between the two groups (p = 0.049).
See this image and copyright information in PMC

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