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Retrospective study on disparities in time-to-treatment by health insurance system in Chilean breast cancer patients

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Time intervals between therapeutic interventions compared by health insurance system.
Time IntervalTotal (days ± SD)FONASA (days ± SD)ISAPRE (days ± SD)Mean difference; days (95% CI)
Diagnosis to surgery71.74 ± 66.8979.18 ± 68.7424.74 ± 18.6254.45 (45.51 to 63.39)
Surgery to adjuvant chemotherapy104.1 ± 68.16103.74 ± 48.47106 ± 138.14*not determined
Surgery to radiotherapy151.81 ± 110.19161.13 ± 111.1193.94 ± 84.4767.18 (41.09 to 93.27)
Diagnosis to radiotherapy219.45 ± 129.08235.27 ± 126.98119.42 ± 92.96115.85 (89.15 to 146.77)

FONASA, National Health Fund. ISAPRE, Social Security Institutions. CI, confidence interval. SD, standard deviation.

*This value could not be reliably calculated due to the low number of events in the ISAPRE group (<10).

Source: Prepared by the authors.