PurposeThis study aimed to determine out risk factors for female breast cancer in a low socioeconomic population in Iran.MethodsBetween 2007 and 2009, a total of 25,592 women who were ensured by the Imam Khomeini Relief Foundation participated in this screening program. The characteristics of patients diagnosed with breast cancer (n=111) were compared with those of control cases (n=25,481). In this study, we used relogit analysis (rare event logistic regression) with a weighting method using program Zelig.ResultsOf 25,592 women, 3.9/1,000 had breast cancer, from which 38 were diagnosed during screening and 73 had already been diagnosed. The mean and standard deviation of age in breast cancer patients and in healthy controls were 49.18±8.86 years and 46.65±9.40 years, respectively. The findings based on the multivariate model revealed that the past history of ovarian cancer, hormone therapy, and first relatives with breast cancer were associated with increased risk for breast cancer. However, the use of oral contraceptive pills was found to be associated with reduced risk for breast cancer.ConclusionDue to the rarity of the event in the population, relogit with a weighting method was used to investigate the major risk factors for breast cancer. These factors include oral contraceptive pill use, a history of ovarian cancer of the person under study, first relatives with breast cancer and hormone therapy.
BackgroundPrevalence of breast cancer in Asian developing countries is much lower than western developed countries. The main aim of this study was to measure breast cancer prevalence in a defined population of Iran.MethodsA total of 25201 women who were under coverage of “Imam Khomeini Relief Foundation (IKRF)”, which is an organization for delivering supportive social and cultural services to the deprived and poor subgroups of the society, were involved in the study. The study was conducted during years 2007 and 2008. All subjects were interviewed for their socio-demographic features and underwent precise clinical and para-clinical breast examination.ResultsMean age was 47 years with standard deviation 10 ranging from 11 to 88 years. Subjects were from deprived subgroups of the community; were mainly illiterate or had primary school education (86%) and majority of them (93%) had their first full-term pregnancy at age less than 26 years and also were multiparous. With confirmed diagnosis by breast biopsy, breast cancer prevalence was 0.15% (95%CI; 0.10-0.20).ConclusionCompared with developed countries, Asian developing countries have been at a lower risk of breast cancer development. It is seen that more deprived subgroups are at much lower risk. The more industrialized life is accompanied with more hazards.
Background: Reproductive tract infections are among the most prevalent gynaecological health concerns. The present study aimed to determine the prevalence and risk factors of reproductive tract infections among a defined population of Iranian women. Methods: A cross-sectional study was performed in Shiraz, Southern Iran, from 2007 to 2009. The study subjects were 28 484 vulnerable household women who were covered by the Imam Khomeini Relief Foundation insurance scheme. All the participants underwent vaginal speculum examinations and swab sampling. Vaginal discharge was collected for Gram staining, potassium hydroxide mount, wet mount and in a transport medium for culture and sensitivity testing. The frequency of reproductive tract infections and their risk factors were determined. Results: The mean age of the 28 484 women who participated in the study was 48.7 AE 10.1 (range: 13-104) years. According to the results, 13 472 (47.3%) subjects had reproductive tract infections. Moreover, vulvovaginal candidiasis was the most common infection in our population, accounting for 4718 subjects (16.6%), followed by trichomoniasis (11.2%) and bacterial vaginosis (10.6%). Furthermore, the number of pregnancies, being married and low educational levels (illiterate and under diploma level) were the risk factors for these infections, whereas the use of oral contraceptives and being employed were the protective factors. Conclusion: Almost half of the vulnerable Iranian women suffer from reproductive tract infections, with candidiasis and trichomoniasis being the most prevalent types. Based on the high prevalence of these infections, appropriate and precise screening programs should be taken into consideration for this specific population.
Background and objectives: Accurate diagnosis of preterm rupture of membrane (PROM) is critical during pregnancy, and researchers are seeking ways to decrease the rate of false negative results in diagnostic tests. In the present study, we compare diagnostic properties of Amnisure test and human chorionic gonadotropin (hCG) test for diagnosis of PROM. Methods: The study was performed on singleton pregnant women (gestational age: 20 to 41 weeks) who were referred to the Taleghani Hospital in Tehran (Iran) between December 2016 and December 2017. The study included 44 PROM patients and 44 control pregnant women. Speculum examination for cervicovaginal fluid washing, hCG test and Amnisure test were performed for all of patients. Statistical analysis of data was performed in SPSS software package (Version 18, Chicago, IL, USA) using t-test, Chi-square test, and Mann-Whitney test. P-values less than 0.05 were considered statistically significant. Results: The Amnisure test had better sensitivity and specificity compared with the β-hCG test (95.5% and 97.7% vs. 93.2% and 95.5%). The Amnisure test also had higher positive and negative predictive values than the β-hCG test (97.7% and 95.5% vs. 93.3% and 94.3%). Diagnostic accuracy of the Amnisure test was also higher than that of the β-hCG test (96.6% vs. 94.3%). Conclusion: According to the results, the two tests have almost equal diagnostic power for detection of PROM during pregnancy.
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