Overall Survival and Local Recurrence Among Breast Cancer Patients in Hospital Sultanah Nora Ismail Batu Pahat, 2007-2013 (original) (raw)
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2019
Introduction: Breast cancer is the most common cause of cancer death among women. The purpose of this study is to determine the 5-years survival rate and prognostic factors among breast cancer patients in a tertiary oncological centre in Penang, Malaysia. Methods: A retrospective cohort study was conducted at the Advanced Medical and Dental Institute, Universiti Sains Malaysia. All 214 cases of breast cancer diagnosed from 1st January 2008 until 31st December 2012 were selected and retrospectively followed-up until 31st December 2017. The survival status for this study was referring to the record of the National Registration of Malaysia. Kaplan-Meier with Log-rank test and Cox regression were used for the univariable and multivariable analysis, respectively. Results: The mean (SD) age at diagnosis was 50.98 (±10.75) years. The majority of the patients were Malay (55.7%) and married (96.5%). After controlling for the effect of underlying comorbidities, lymph nodes involvement, marita...
Survival Analysis for Breast Cancer Patients: Case Study at Public Hospital in Malaysia
-Breast cancer is the most frequently occurring cancer as well as the most fatal form of malignancy among Malaysian women. This study aimed to highlight the survival rate of Malaysian breast cancer patients in hope by knowing the pattern of survival and related prognostic factors. This study was conducted using secondary data obtained from a general hospital in Johor Bahru. All 38 cases of breast cancer diagnosed from January 12, 2006 to February 15, 2017 were selected. Age, ethnicity and treatment received were collected to determine prognostic factors. The Chi-square test of independence determines if two variables are independent of one another. Patients' age (p-value = 0.602) and ethnicity (p-value = 0.284) have no association with the survival status of patients while treatment received (p-value <0.001) has association with the patients' survival status. Kaplan-Meier method was used to estimate the survival curves of the breast cancer patients. Patients under 40 years old had a poor survival compared to the patients aged between 41-60 years old and patients above 60 years old. Malay patients tend to have a poorer survival after breast cancer compared to Chinese, Indian and Others ethnic. Patients who received both local and systemic therapy treatment experience death more quickly during the period of study. Log-rank test was used to test the significant difference between the survival experiences of the patients. Treatment group was found to have a significant difference in the survival experience; whereas age group and ethnic group of the breast cancer patients do not have a significant difference in the survival experience.
Survival rate of breast cancer patients in Malaysia: a population-based study
Asian Pacific journal of cancer prevention : APJCP, 2013
Breast cancer is the most common cancer among Malaysian women. Other than hospital-based results, there are no documented population-based survival rates of Malaysian women for breast cancers. This population- based retrospective cohort study was therefore conducted. Data were obtained from Health Informatics Centre, Ministry of Health Malaysia, National Cancer Registry and National Registration Department for the period from 1st Jan 2000 to 31st December 2005. Cases were captured by ICD-10 and linked to death certificates to identify the status. Only complete data were analysed. Survival time was calculated from the estimated date of diagnosis to the date of death or date of loss to follow-up. Observed survival rates were estimated by Kaplan- Meier method using SPSS Statistical Software version 17. A total of 10,230 complete data sets were analysed. The mean age at diagnosis was 50.6 years old. The overall 5-year survival rate was 49% with median survival time of 68.1 months. India...
2019
OBJECTIVE To explore and better understand clinic pathological details of breast cancer patients and analyse their survival rate among different treatment groups. Methods The prospective cohort, multi-centric study was conducted from September, 2014, to February, 2018, at five hospitals in Rawalpindi and Islamabad, Pakistan, and comprised histo-pathologically confirmed breast cancer cases. Patient characteristics and medical history were collected using a detailed questionnaire. All the subjects were followed up, and information regarding their current health and treatment status was collected. Data was analysed using SPSS 24. RESULTS There were 347 subjects with a mean age of 44.3±12.2 years and body mass index of 27.9±4.0 kg/m2. Younger age, increased body mass index, consanguinity and family history were major contributing factors in breast cancer development (p<0.05). Overall, 267(77%) had invasive ductal carcinoma and Grade II tumour 234(67%) was more frequent. A total of 22...
Asian Pacific journal of cancer prevention : APJCP, 2009
Survival after diagnosis of cancer is one of the major outcome measurements and a key criterion for assessing quality of cancer control related to both the preventive and the therapeutic level. The purpose of this study was to determine the 8-year survival time in Malaysia based on socio-demographic and clinical characteristics. A retrospective study of 472 Malaysian women with breast cancer from the Medical Record Department at University Kebangsaan Malaysia Medical Centre (UKMMC) was therefore performed with survival analysis carried out using the Kaplan-Meier with log-rank test for univariate analysis and Cox-regression for multivariate analysis. Women who had cancer or family history of cancer had a longer 8-year survival time (p = 0.008) compared with others who did not have such a history. Tamoxifen use, positive oestrogen receptor status, and race were prognostic indicators for 8-year survival time (p = 0.036, p = 0.018, p = 0.053, respectively) in univariate analysis. Multiv...
BMJ Open, 2021
Objective Estimation of the net survival of breast cancer helps in assessing breast cancer burden at a population level. Thus, this study aims to estimate the net survival of breast cancer at different cancer staging and age at diagnosis in the east coast region of West Malaysia. Setting Kelantan, Malaysia. Participants All breast cancer cases diagnosed in 2007 and 2011 identified from Kelantan Cancer Registry. Design This retrospective cohort study used a relative survival approach to estimate the net survival of patients with breast cancer. Thus, two data were needed; breast cancer data from Kelantan Cancer Registry and general population mortality data for Kelantan population. Primary and secondary outcome measures Net survival according to stage and age group at diagnosis at 1, 3 and 5 years following diagnosis. Results The highest net survival was observed among stage I and II breast cancer cases, while the lowest net survival was observed among stage IV breast cancer cases. In...
Asian Pacific journal of cancer prevention: APJCP
There is improvement in breast cancer survival in the developed world, but information on breast cancer survival trends in the Asia Pacific region is limited. The aim of the study was to evaluate survival trends and factors that affect survival in Malaysia. Two prospective groups of 423 and 965 newly diagnosed breast cancer patients in University of Malaya Medical Centre, Kuala Lumpur, Malaysia diagnosed in two time periods ie. 1993 to 1997 and in 1998 to 2002 were studied. Vital status was obtained from the National Registry of Births and Deaths. The overall survival was calculated from the date of diagnosis to the date of death from any cause. The survival differences between the two groups were analysed using the log-rank or Peto-Wilcoxon method. Survival estimates and independent prognostic factors were estimated by the Kaplan-Meier method and multivariate analysis using Cox proportional hazard models. P values less than 0.05 were considered statistically significant. Analyses w...
Survival Time and Prognostic Factors for Breast Cancer among Women in North-East Peninsular Malaysia
Asian Pacific Journal of Cancer Prevention : APJCP, 2018
Background: Breast cancer is the most common malignant disease and the leading cause of cancer death among women globally. This study aimed to determine the median survival time and prognostic factors for breast cancer patients in a North-East State of Malaysia. Methods: This retrospective cohort study was conducted from January till April 2017 using secondary data obtained from the state’s cancer registry. All 549 cases of breast cancer diagnosed from 1st January 2007 until 31st December 2011 were selected and retrospectively followed-up until 31st December 2016. Sociodemographic and clinical information was collected to determine prognostic factors. Results: The average (SD) age at diagnosis was 50.4 (11.2) years, the majority of patients having Malay ethnicity (85.8%) and a histology of ductal carcinoma (81.5%). Median survival times for those presenting at stages III and IV were 50.8 (95% CI:25.34, 76.19) and 6.9 (95% CI:3.21, 10.61) months, respectively. Ethnicity (Adj. HR for ...
Investigation of Prognostic Factors and Survival without Recurrence in Patients with Breast Cancer
Advanced Biomedical Research, 2017
Background: One of the major consequences of breast cancer is the recurrence of the disease. The objective of present study was to estimate the 7-year survival without recurrence as well as the effective prognostic factors in recurrence. Materials and Methods: This historical cohort survival analysis was conducted on 1329 patients diagnosed with breast cancer in Motahari Breast Clinic, Shiraz, Iran between 2004 and 2011. We estimated the rate of survival without recurrence through the Kaplan-Meier method and the difference between the survival curves was investigated using the log-rank test. Furthermore, Cox regression model was used to model the effective factors in local recurrence as well as metastasis. Results: The mean age of the patients was 54.8 ± 11.4 years. Estrogen receptor positive, progesterone receptor positive, and human epidermal growth factor receptor-2 positive were observed in 70.6%, 66.6%, and 34.4% of the cases, respectively. The mean of the follow-up period was 3.7 ± 1.8 years in all patients. The results of the Kaplan-Meier method revealed 1-, 3-, 5-, and 7-year rate of survival without recurrence as 96.4%, 78.4%, 66.3%, and 54.8%, respectively. There was a significant relationship between survival without recurrence and histology grade (hazard ratio [HR] = 1.66, P = 0.009), neural invasion (HR = 1.74, P = 0.006), and progesterone receptors (HR = 0.69, P = 0.031). Conclusion: In this study, the rate of survival without recurrence in breast cancer was 54.8%. Among factors, histology grade and neural involvement at the time of diagnosis increased the chance of recurrence and progesterone receptors caused a longer interval between diagnosis and recurrence.
Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study
PLOS ONE, 2021
Background Data on breast cancer survival and its prognostic factors are lacking in the United Arab Emirates (UAE). Sociodemographic and pathologic factors have been studied widely in western populations but are very limited in this region. This study is the first to report breast cancer survival and investigate prognostic factors associated with its survival in the UAE. Methods This is a retrospective cohort study involving 988 patients who were diagnosed and histologically confirmed with breast cancer between January 2008 and December 2012 at Tawam hospital, Al Ain, UAE. Patient were followed from the date of initial diagnosis until the date of death from any cause, lost-to-follow up or the end of December 2018. The primary outcome is overall survival (OS). The Kaplan-Meier method was used to estimate the survival curve along with the 2- and 5-year survivals. Different group of patients categorized according to prognostic factors were compared using the log-rank test. Multiple Cox...