Introduction: The objective of the research was an anology of the Knowledge level of hospital heads, administrators, directors of nursing of statistical indicators in Ardabil public and private hospitals by a comparative survey method, in a way that it would help them to use quantitative data in the best and most effective way.

Methods: In 1999(1377) 34 staff members of ardabil public hospitals, including, administrators managers and directors of nursing and 3 employees including administrator, manager and director of nursing of private hospitals were evaluated using a questionniar. In this study the random sampling was not.

Findings: The comparison of average awareness through T test showed that there is a meaniful difference, between the chief executires of public and private hospitals in the awareness of hospital ststistical indicators (P<5%), but there was nomeaniful difference between the administrators of public and private hospital in their awareness of hospital statistical indicators. Implementing the same T test to the directors of nursing in both public and private hospitals showed a significant difference between them (P<5%). When comparison was made between chief executives,administrators, and directors of nursing by variation analysis, the difference between them was not significant. Most of the hospital chief exectives in public as well as private ones help Ph.D or were Medical doctors 91.7% and only one person(8.3%) in public hospital didn't have a master or a Ph.D.

Results: The results of this survey showed that hospital chief executives, administrators and directors of nursing of both public and private hospitals in Ardabil had low awareness regarding hospital statistical indicators, It seems that the people in charge in hospitals use the hospital statistics minimally run their business effectively and smoothly and donot have a scrutinizing attitude toward statistical data.