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Comparative Study
. 2016 Apr;58(2):237-50.
doi: 10.21149/spm.v58i2.7793.

Effect of care-delivery delay on the survival of Mexican women with breast cancer

Angélica Ángeles-Llerenas, Gabriela Torres-Mejía, Eduardo Lazcano-Ponce, Santos Uscanga-Sánchez, Fernando Mainero-Ratchelous, Juan Eugenio Hernández-Ávila, Evangelina Morales-Carmona, Mauricio Hernández-Ávila
Comparative Study

Effect of care-delivery delay on the survival of Mexican women with breast cancer

Angélica Ángeles-Llerenas et al. Salud Publica Mex. 2016 Apr.

Abstract

Objective: To estimate the effect of care-delivery delays on survival among women with breast cancer.

Materials and methods: A retrospective analysis of 854 women attending 11 hospitals from 2007-2009 was carried out. Kaplan-Meier estimators and a Cox proportional-risk model were employed.

Results: A total of 10.5% of cases were diagnosed in stage I. 82% of sampled women delayed care for more than 67 days between noticing a symptom and initiating treatment. The median time from receipt of results of the mammography to biopsy was 31 days (IQR 14-56). Compared with those who were in quartile I (Q1), survival was lower among those in Q3 and Q4 (HR=1.68, 95%CI 0.94-3.00; HR=1.76, 95% CI 1.04-2.98, respectively).

Conclusions: To increase survival, it is suggested that the time between receipt of the mammography results and diagnostic biopsy be reduced.

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