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Öğe Bilimsel Araştırmalarda İstatistiğin ve Doğru Yöntem Seçimlerinin Önemi(Bitlis Eren Üniversitesi, 2021) Baydemir, Muhammed Bedirİstatistik yöntemlere öğrencilerin başarı ortalaması, trafik kazası istatistikleri, tarım ve hayvancılıkta verimlilik gibi günlük hayatta yer alan olaylarda sık sık gerek duyulduğu gibi önemli bilimsel çalışmaların sonuçları da istatistik yöntemlerle değerlendirilmektedir. Tek kalem ürün pazarlayan küçük bir işletme sahibi için günlük ortalama satış miktarını belirlemek temel bir istatistik yöntem olduğu gibi sosyal bir konuda hazırlanan anket sonuçlarının değerlendirmesi de istatistiksel yöntemlerle yapılmaktadır. Ancak çalışmalarda genellikle incelenen değişkenlerin birçoğu birbirinden bağımsız değildir, bir veya daha fazla değişken ile ilişki içindedirler. Bundan dolayı herhangi bir değişken incelenirken, bu değişken ile alakalı diğer tüm değişkenleri ya sabit kabul etmek ya da kontrol altına almak gerekmektedir. Bu da doğru çözüme ulaşmaya engel olmaktadır. Çok değişkenli istatistik yaklaşımlar, çok sayıdaki değişkenin oluşturduğu veri yapısını basit bir forma dönüştürüp problemin yapısına uygun çözümler için daha sade bilgiler ortaya koymaktadır. Bilimsel bir çalışma yapılırken öncelikle problem tespit edilir. Probleme ilişkin gözlemler yapılır, veriler toplanır, veriler işlenerek bilgi haline getirilir. Buraya kadar yapılan işlemler ne kadar özenli olursa olsun istatistiksel sonuçları doğru yorumlanmayan bir araştırma hiçbir probleme çözüm olamaz. Bu eksiklik amaca ve veriye uygun istatistiksel yöntemin seçilmesiyle giderilebilir. Bu çalışmada istatistiğin ve doğru yöntem seçimlerinin araştırmalardaki önemi üzerinde çalışılmıştır.Öğe Determining the factors affecting elders’ smoking habit: Estimation through logistical regression analyses(Türkiye Klinikleri, 2019) Baydemir, Muhammed BedirObjective: Cigarette, which contains many substances that harm the human body. causes many lethal diseases such as cancer, heart and lung diseases. The Ministry of Health and some associations are struggling with smoking, and many scientific studies are carried out on the subject. In most of the studies adolescence, early youth and youth smoking are investigated. In this study, smoking habits of middle age and older age groups were investigated. Material and Methods: A questionnaire was applied to determine the factors affecting smoking. In addition to demographic questions, variables that may have an effect on smoking were investigated by using the logistic regression model by asking the respondents “do you believe that smoking causes cancer?” and “do you think smoking is a violation of your beliefs?” Results: Although the role of mother and father in smoking was higher in childhood and youth, they could not enter the model. Even the mother’s smoking was found to be the most meaningless and the first removed variable from the model. This can be because of the study sample is too old to mimic mother and father. It was found that the siblings were more likely to smoke because they were more likely to affect each other. The variable with the greatest effect size is whether or not to believe that smoking causes cancer. The probability of smoking is 7.13 times higher for those who do not believe that smoking causes cancer. Conclusion: The rate of quitting smoking increases in diseases where smoking damage is more clearly seen. Approximately half of the patients who smoked and underwent pulmonary nodule followup quitted smoking when they learned about the risk of malignancy of the nodule. More impressive presentations can be prepared by relevant institutions by evaluating new research and findings on the subject.Öğe Factors Affecting Patient Satisfaction in Breast Reduction Surgeries: A Retrospective Clinical Study(Springer, 2021) Özbey, Rafet; Cansel, Neslihan; Fırat, Cemal; Baydemir, Muhammed BedirBackground: Breast reduction surgeries increase the individual's comfort of life by eliminating the problems caused by breast hypertrophy. We aimed to evaluate the effects of patients' demographic and operational data on satisfaction by using Breast-Q Questionnaire. Methods: Breast-Q Questionnaire breast reduction module was applied to patients who had undergone breast reduction surgery by a single surgeon between 2016 and 2020 and who agreed to participate in the study. Demographic and operational data and Questionnaire results were analyzed with the help of SPSS Statistics V21.0 program by considering p < 0.05 as significant. Results: Of the 94 patients who had undergone surgery, 52 who agreed to fill in the questionnaire were included in the study. Mean age was 39 and mean body mass index was (BMI) 28.6 kg/m2. Forty eight (92.3%) patients had undergone surgery for noncosmetic reasons. Significant differences were found between the physical well-being scores of the participants whose BMI was <25 and those whose BMI was >30. It was found that physical well-being (p= 0.001) and the amount of tissue removed increased with the increase in BMI (p = 0.018). No association was found between the tissue removed, the change in bra sizes and satisfaction. Satisfaction with outcome of surgery was found as 84.51% ± 24.28. Linear association was found between pre-information given and Breast-Q scores (p < 0.001). Conclusions: In our study, it was found that the tissue removed, breast size and the change in bra size had no effect on patient satisfaction. Being informed was found to be directly related to satisfaction. Providing sufficient information, understanding the expectations and obtaining the desired cosmetic results is important. Although physical complaints are at the forefront in the decision of surgery, aesthetic appearance is more effective in being satisfied with the surgery. A breast the weight of which is reduced through breast reduction and which looks aesthetically beautiful can only please the patient. Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .