Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài :The psychometric validation of a US English satisfaction measure for patients with benign prostatic hyperplasia and lower urinary tract symptoms | Health and Quality of Life Outcomes BioMed Central Open Access The psychometric validation of a US English satisfaction measure for patients with benign prostatic hyperplasia and lower urinary tract symptoms Libby Black 1 Alyson Grove2 and Betsy Morrill1 Address GlaxoSmithKline Research Triangle Park NC USA and 2Roundpeg Research Abingdon Oxon UK Email Libby Black - Alyson Grove - Betsy Morrill - Corresponding author Published 19 June 2009 Received 20 August 2008 Health and Quality of Life Outcomes 2009 7 55 doi 1477-7525-7-55 Accepted 19 June 2009 This article is available from http content 7 1 55 2009 Black et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The purpose of the current study was to validate the US English Patient Perception of Study Medication PPSM questionnaire which measures patient satisfaction with Benign Prostatic Hyperplasia BPH treatment and was administered to men with BPH lower urinary tract symptoms LUTS enrolled in a multi-national clinical trial. Methods Patients with moderate to severe BPH symptoms completed three disease-specific measures The International Prostate Symptom Score IPSS the BPH Impact Index BII and the PPSM at baseline after completion of the placebo run-in period and at every 13-week clinic visit thereafter for the duration of the study treatment period. The PPSM was analysed to assess its variability reliability and validity. Results There were 879 patients included in the analyses with a mean age of years. The PPSM was found to comprise two factors - PPSM-Global and PPSM-Pain with a Total Score ranging from 7 to 49. It demonstrated good internal .