چکیده مقاله
objective: In Iran, colorectal cancer is the third most common cancer in women and the fifth most common cancer in men Weibull distribution has been one of the most common parametric models in survival time analysis we carried out the Inverse Entezar Weibull model that has various hazard functions, single mode, one shape and two mode This descriptive analytical study was performed on patients with colorectal cancer registered in the gastrointestinal center of Taleghani Hospital with at least 5 years of follow up in the presence of an independent variables and with censored data The data file contains gender, age, body mass index, location of tumor spread and time of death the total number of patient who collaborated was 235 people After fitting the IENW model, the significance of the mentioned independent variables was evaluated by the maximum likelihood method using R and SAS software Results: As can be seen in Table 1, the IENW distribution sequence statistic has a lower Akaike Information Criterion and therefore a better fit to the data, according to AIC Conclusion: This study showed that Invrse Entezar Weibull distribution aids in having more appropriate fitting than common distribution in assessing the survival of colorectal cancer patients
کلیدواژهها
نویسندگان
Nazanin Ramezani
Department of Biostatistics, Faculty of Paramedical sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Mostafa Faridizadeh
Department of Biostatistics, Faculty of Paramedical sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Ahmadreza Baghestani
Physiotherapy Research Center, Department of Biostatistics, Faculty of Paramedical sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran Associate Professor Qods square, Darband street, Tehran, Iran
شیوه ارجاع
Ramezani, Nazanin and Faridizadeh, Mostafa and Baghestani, Ahmadreza,1400,Survival analysis of patients with colorectal cancer with the Inverse Entezar Weibull model,Seventh International Conference on Health, Treatment and Health Promotion
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