The Hospital de Câncer de Barretos Registry: an analysis of cancer survival at a single institution in Brazil over a 10-year period

Abstract

BackgroundEpidemiological studies that describe cancer survival statistics at specific hospitals are scarce. Cancer registries, which are collections of cancer patient characteristics, treatment and outcome data, help determine quality of care and treatment indicators.MethodsThis study analysed data from patients treated between 2000 and 2009 at the Hospital de Câncer de Barretos, a referral cancer hospital in Brazil. The analysis included all cases among the nine most common types of cancer diagnosed between 2000 and 2009. The main characteristics of the patients, tumours, treatment procedures and survival were described and discussed. The five-year survival rate of patients with cancer diagnosed between 2000 and 2005 were estimated using Kaplan-Meier methods. Multivariable analysis was performed using Cox proportional hazards regression.ResultsIt was analyzed 42,825 cancer cases relating to the nine primary locations in more frequent at the institution. Most of the patients were men (52.8%) and over the age of 60 years (65.1%). Approximately 1% of the treated cancers were not staged, and 0.4% lacked follow-up data. Excluding nonmelanoma skin cancer, the most common tumours were prostate and breast cancer, which were mainly diagnosed at early stages. Five-year survival for these cancers were 78.2% and 74.8%, respectively.ConclusionsDuring this ten-year period, the Hospital de Câncer de Barretos Registry collected, processed and analysed data related to all cases treated at the institution, providing relevant information about patient characteristics and survival.

Survival rates of breast cancer and predictive factors: a hospital-based study from western Amazon area in Brazil

“…Surprisingly, we observed that almost twothird of breast cancer observed in the present study (58.4%) was in early stage (0-II) at diagno- sis, which is very similar to the frequencies found in developed countries and more developed areas in Brazil 10,11,19,20 . Late stage at diagnosis has been independently associated with poorer survival rates worldwide and in Brazil 4,5,10,11,19,20,22 . In a cohort study including 252 patients in Santa Maria (South of Brazil) 5-year breast cancer-survival rate was 97% for stage-I, 87% for stage-II, 73% for stage-III, and 57% for stage IV 10 .…”

“…In the present study, 5-year breast cancer-specific survival rate was 87.3%, which is similar to those found in European countries such as Spain (> 80%) 4 , and even higher than those found in developing countries such as India (77%) 6 and Porto Rico (71,2%) 7 . Compared to more developed areas in Brazil, our finding was similar to the survival rate found in Santa Maria, SC, (87.7%) 10 ; and even higher than those found in Belo Horizonte (78.5%) 19 , Florianópolis (76.2%) 11 and Barretos (74.8%) 20 . However, the difference in breast cancer survival rate among countries and areas of the same country exist and are not easy to interpret.…”

“…According to this study 38.9% of women were diagnosed at stage-II, while 37% were diagnosed at stage III-VI. Similar to Moraes`s study, 5-year breast cancer-specific survival rate was 95.2% for stage-I, 87.1% for stage-II, and 58.4% for stage III-IV 20 . Corroborating with previous studies, late stage at diagnosis (34,4% stage-III), and statistically significant inverse relation between 5-year breast cancer survival rate and stage at diagnosis were observed in our study, which were similar to those found in more developed areas of the country.…”

“…In a cohort study including 252 patients in Santa Maria (South of Brazil) 5-year breast cancer-survival rate was 97% for stage-I, 87% for stage-II, 73% for stage-III, and 57% for stage IV 10 . The largest study in Brazil evaluated 5,257 breast cancer patients from a public hospital cancer registry in Barretos, SP 20 . According to this study 38.9% of women were diagnosed at stage-II, while 37% were diagnosed at stage III-VI.…”

Cancer survival in Brazil: Estimate through the mortality to incidence ratio

“…Even so, there are few studies in Brazil that evaluate the 5-year populational cancer survival. The available studies show survival data based on patients managed at some hospitals that are cancer reference units, though these studies are not population-based (Ayala, 2012;Brito et al, 2009;Carneseca et al, 2013;Corrêa et al, 2016). This paper intends to present 5-year survival estimates by using the methodology of the mortality to incidence ratio (M:I) for the most recent years available on the official information systems, covering the first decade of the 21st Century.…”