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Health and Quality of Life Outcomes BioMed Central Research Open Access A new measure of patient

Health and Quality of Life Outcomes BioMed Central Research Open Access A new measure of patient satisfaction with ocular hypotensive medications: The Treatment Satisfaction Survey for Intraocular Pressure (TSS-IOP) Mark J Atkinson*1, William C Stewart2, Joel M Fain3, Jeanette A Stewart4, Ravinder Dhawan3, Essy Mozaffari3 and Jan Lohs5 Address: 1Worldwide Outcomes Research, Pfizer, La Jolla, California, USA, 2Pharmaceutical Research Network, Univ of S. Carolina School of Medicine, Charleston, South Carolina, USA, 3Pfizer Global Pharmaceuticals, New York, NY, USA, 4Clinical Project Management, Pharmaceutical Research Network, Charleston, South Carolina, USA and 5Lohs Research Group, Palatine, Illinois, USA Email: Mark J Atkinson* - mark.j.atkinson@pfizer.com; William C Stewart - pr_wcs@bellsouth.net;. | BioMed Central Health and Quality of Life Outcomes Research Open Access A new measure of patient satisfaction with ocular hypotensive medications The Treatment Satisfaction Survey for Intraocular Pressure TSS-IOP Mark J Atkinson 1 William C Stewart2 Joel M Fain3 Jeanette A Stewart4 Ravinder Dhawan3 Essy Mozaffari3 and Jan Lohs5 Address Worldwide Outcomes Research Pfizer La Jolla California USA 2Pharmaceutical Research Network Univ of S. Carolina School of Medicine Charleston South Carolina USA 3Pfizer Global Pharmaceuticals New York NY USA 4Clinical Project Management Pharmaceutical Research Network Charleston South Carolina USA and 5Lohs Research Group Palatine Illinois USA Email Mark J Atkinson - mark.j.atkinson@pfizer.com William C Stewart - pr_wcs@bellsouth.net Joel M Fain - joel.m.fain@pfizer.com Jeanette A Stewart - pr_jas@bellsouth.net Ravinder Dhawan - rdhawan@psmus.jnj.com Essy Mozaffari - essy.mozaffari@pfizer.com Jan Lohs - Lohsrsch@aol.com Corresponding author Published 15 November 2003 Received 02 September 2003 Accepted 15 November 2003 Health and Quality of Life Outcomes 2003 1 67 r This article is available from http www.hqlo.cOm content l l 67 2003 Atkinson et al licensee BioMed Central Ltd. This is an Open Access article verbatim copying and redistribution of this article are permitted in all media for any purpose provided this notice is preserved along with the article s original URL. Abstract Purpose To validate the treatment-specific Treatment Satisfaction Survey for Intraocular Pressure TSS-IOP . Methods Item content was developed by 4 heterogeneous patient focus groups n 32 . Instrument validation involved 250 patients on ocular hypotensive medications recruited from ophthalmology practices in the Southern USA. Participants responded to demographic and test questions during a clinic visit. Standard psychometric analyses were performed on the resulting data. Sample Of the 412 patients screened 253 consented to participate and 250 provided .