en تخصصي Special پژوهشي Research <p dir="ltr" style="text-align: justify;"><strong>Background:</strong> Organizational commitment and its significant impact on the job satisfaction and&nbsp;performance has been the subject of many studies. Regarding the importance of organizational&nbsp;behavior and its role in service quality, the purpose of this study was to explore the relationship&nbsp;between nurses&rsquo; organizational commitment and hospital services in order to improve its quality.<br> <strong>Methods: </strong>This study was a cross sectional survey and a total of 149 nurses and 237 patients from&nbsp;inpatient wards of hospitals affiliated to Tehran Social Security Organization were selected through&nbsp;cluster sampling. To collect data, two standard questionnaires (organizational commitment and&nbsp;quality of service) were used. Statistical analysis was performed using Spearman and Pearson&nbsp;correlation test<br> <strong>Results:</strong> Our findings indicated that the nurses&rsquo; organizational commitment was moderate&nbsp;(x=3.02 out of 5) and service quality was higher than average, Continuance (r=0.3, P=0.04),&nbsp;affective (r=0.33, P=0.03), normative commitment (r=0.34, P=0.05), and overall commitment&nbsp;(r=0.35, P=0.04) were significantly related to total service quality.<br> <strong>Conclusion:</strong> The enhancement of normative commitment through emphasis upon organizational&nbsp;values and recruitment, as well as enhancement of continuance commitment through career&nbsp;promotion methods and equal assessment will improve the service quality in hospitals.</p> Organizational commitment, Service quality, Hospitalized patients, Commitment, Nurse’s commitment 133 138 http://jccnc.iums.ac.ir/browse.php?a_code=A-10-28-2&slc_lang=en&sid=1 Amirashkan Nasiri pour omid.khosravizadeh@gmail.com 10031947532846002849 10031947532846002849 No Department of Health Services Administration, Science and Research Branch, Islamic Azad University, Tehran, Iran(Corresponding Author)* Pouran Raeissi omid.khosravizadeh@gmail.com 10031947532846002850 10031947532846002850 Yes Department of Health Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran Amir Omrani Omrani_amir@yahoo.com 10031947532846002851 10031947532846002851 No Department of Health Management, School of Health Management and Information Sciences, International Campus, Iran University of Medical Sciences, Tehran, Iran. Omid Khosravizadeh omid.khosravizadeh@gmail.com 10031947532846002852 10031947532846002852 No Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran Samira Alirezaei raeissi2009@yahoo.com 10031947532846002853 10031947532846002853 No Department of Health Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran.