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Background & Objective: APACHE scoring systems are performed to predict the mortality rate of patients admitted to the hospital's intensive care unit (ICU). At present, APACHE II, III and VI are used in ICUs of Iranian hospitals. Due to the high mortality rate in the ICU, compared to other parts of the hospital and the use of APACHE systems in predicting the mortality rate, determining the best predictor is very important. Therefore, this study was performed to determine the best system for predicting the mortality of patients admitted to the ICU. Materials & Methods: An electronic search in SID, Magiran, PubMed, Scopus, ScienceDirect and Google Scholar databases was performed until November 2019 using keywords. The list of key study sources was also reviewed to find studies that may not have been found through electronic search. The quality of studies was assessed with STROBE checklist. Data analysis was performed using CMA software version 2. Results: 21 studies involving 3576 patients were meta-analyzed. 14 studies used the APACHE II, three studied used Apache III, and four studied used Apache IV. The meta-analyses found that the final estimate of the accuracy of the APACHE II in predicting mortality was 0.052 (CI = 0.030; 0.091), APACHE III 0.09 (CI = 0.029; 0.245), and APACHE IV 0.088 (C.I = 0.031; 0.228). Conclusion: The findings of this study showed that the APACHE III had more accuracy in predicting the mortality rate of patients admitted to the ICU compared to APACHE II and IV. The ward has special care. It is recommended that this scoring system be used in hospitals to prioritize patients admitted to the ICU.

Background and Aim: Some economists and authorities in the field of management believe that entrepreneurship is a motive and advancement engine. The development of entrepreneurship requires high level of entrepreneurial spirit and university students are considered to be the cornerstones of such entrepreneurship. Therefore, the study investigated School of Allied Medical Sciences of Tehran University of Medical Sciences student’s spirit of entrepreneurship in year 2013. Materials and Methods: This was a cross-sectional study. The participants were the undergraduate students of school of Allied Medical Sciences of Tehran University of Medical Sciences who entered university in October month of year 2011. Based on stratified random sampling which was proportional to the size of the society, 216 subjects were enrolled. In this study the standardized questionnaire consisted of two parts: demographic characteristics and the information related to the components of entrepreneurship. Data was analyzed using descriptive and inferential statistics (one sample t-test, independent t). Results: The mean and standard deviation of the age of the students were 20/44 ±1/90 year, respectively. The Percentage of entrepreneurship spirit of all students was 59/90, which was higher than the gained mean percentage (50). Conclusion: The findings of the study showed that was the studied subjects had high power of spirit of entrepreneurship which higher than the mean percentage. This finding can help the policy-makers to provide a way for the students to plan and implement the programs related to development and education of entrepreneurship.