Introduction: Indicators assessment due to the importance of efficiency analysis and economic exploitation of resources has always been an important issue. This research was applied to simultaneity evaluation of three key indicators using the Pabon lasso model.
 
Materials & methods: This analytical descriptive research was a cross sectional and retrospective study. Hospitals of Isfahan Province including 43 centers included affiliated and non-affiliated to university of medical Sciences were statistical society in this research. Data related to the activity of the centers during 2012-2015 were collected by referring to Vice Treatment of Isfahan University of medical sciences and main indicators including bed occupancy rate, mean length of stay and bed turnover rate were calculated. The obtained data were analyzed and compared using excels software and Pabon lasso chart.
 
Findings: Between research hospitals, there were 9 (20.9%) hospitals in zone III of the Pabon lasso chart (efficient zone) in 2012. There were 8 (18.6 %) hospitals in zone III in 2013. There were 10 (23.3%) hospitals in zone III in 2014.There were 16 (37.2 %) hospitals in zone III in 2015.
 
Discussion & conclusions: In years after the reform in health system, numbers of efficient centers increased and numbers of deficient centers decreased. Increasing was more in affiliated centers to university of medical Sciences and change in private centers was opposite. This increasing in university centers of the Isfahan were  from first year (2014) and in university hospitals out of centers of Isfahan were from second year (2015) after the reform in health system. Numbers of centers in zone IV did not change.