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Evaluating the Efficiency of Hospitals Using Network Data Envelopment Analysis (NDEA) and Providing a Suitable Model of Allocating Resources for Future Investments
Zahra Aghasizadeh, Ali Reza Pouya, Nasser Motahari Farimani, Ali Vafeaa Najjar,
Volume 16, Issue 1 (3-2022)
Abstract
Background and Aim: Hospitals are the most important component of the health system and accurate evaluation of their performance is important. So far, much research has been done on the evaluation of hospitals using DEA models, but in these studies, organizations are considered as a black box and system processes and relationships between them are ignored. In this study, the efficiency of hospitals was evaluated using network envelopment analysis and its results were compared with simple envelopment analysis.
Materials and Methods: The method of the present research was ptactical and the nature of the survey was descriptive. The research population was all hospitals and educational centers affiliated to Mashhad University of Medical Sciences with a capacity of more than one hundred beds, which included twelve public hospitals and forty-eight sections. To collect information, methods of observing and studying documents, records and statistics of hospital activities have been used. For validation, by calculating Spearman correlation coefficient, it was found that the proposed model has a significant correlation with the Black Box DEA Model and the validity of the model was confirmed. SOLVER DEA and EXCEL software were used to implement the model.
Results: The results show that by considering the internal departments of the organization as well as the relations between the departments, a more accurate analysis of the efficiency of the hospitals would be done and we will have a better separation in the ranking between the organizations. Also, by using the network DEA model, the overall efficiency, the efficiency of each department and the rank of each department in comparison with similar departments in other hospitals are determined.
Conclusion: The framework presented in this study can be an appropriate criterion for measuring the efficiency of hospitals and their internal sections by determining the overall position of each hospital relative to other hospitals and by determining the efficiency of the section. By determining the efficiency of the internal departments of hospitals, a suitable priority is provided for allocating resources and investing in different departments in the direction of organizational improvement.

Assessing the Effect of the Physician's Presence on the Error of Recording Surgical Codes by Surgical Assistants and the Resulting Financial Effects in Rasoul Akram Hospital
Mohamad Hoseini Kasnavieh, Mahsa Mahmoudinejad, Mohammad Veisy, Pouya Hedayati Shahidani, Ali Tahmasebi,
Volume 16, Issue 5 (Dec 2022)
Abstract
Background and Aim: this study aims investigating the effect of the physician's presence on the error of recording surgical codes by surgical assistants and the resulting financial effects in Rasoul Akram hospital.
Materials and Methods: The present study was a descriptive-analytical and prospective study that was performed by collecting data in the hospital and reviewing the documents from Jun to March 2022. Therefore, in order to compare the deductions according to the presence or absence of the doctor, an expert was stationed in the operating room to enter the information in special forms, and thus the types of deductions for each of the mentioned situations were identified. T-test was used for analysis between the two groups (presence and absence of physician) and data were analyzed using Excel and SPSS software.
Results: Three hundred and one records were reviewed during the presence of the physician and 300 cases during the absence of the physician based on Cochran sampling formula. The percent difference between hidden deductions in the presence and absence of the physician was not significant (P-value=0.078). However, the difference between the obvious deductions in the presence and absence of the physicians was significant (P-value=0.024). The difference in obvious deduction costs was significant in the presence or absence of a physician (P-value<0.001). But, the difference in hidden fraction costs in the presence or absence of physicians, was not significant (P-value=0.435).
Conclusion: The presence or absence of a surgeon has an effect on the amount of errors in the registration of surgical codes by the surgeon’s assistant and, as a result, this matter affects the percentage and costs of surgical deductions, especially in the obvious deductions. Therefore, planning for the presence of the surgeon in cases where the error of registering the codes by the surgeon’s assistant leads to obvious deductions, can help to more accurate documentation and, as a result, fewer deductions are accrued.


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