Logo image
Back
Pain and Urinary Symptoms Should Not be Combined into a Single Score: Psychometric Findings from the MAPP Research Network
Journal article   Open access   Peer reviewed

Pain and Urinary Symptoms Should Not be Combined into a Single Score: Psychometric Findings from the MAPP Research Network

James W Griffith, Alisa J Stephens-Shields, Xiaoling Hou, Bruce D Naliboff, Michel Pontari, Todd C Edwards, David A Williams, J. Quentin Clemens, Niloofar Afari, Frank Tu, …
Journal of Urology, Vol.195(4 Pt 1), pp.949-954
2016
DOI: 10.1016/j.juro.2015.11.012
PMCID: PMC4867140
PMID: 26585679
url
http://doi.org/10.1016/j.juro.2015.11.012View
Open Access

Abstract

PURPOSE: The purpose of this study was to create symptom indexes, that is scores derived from questionnaires to accurately and efficiently measure symptoms of interstitial cystitis/bladder pain syndrome and chronic prostatitis/chronic pelvic pain syndrome, collectively referred to as urological chronic pelvic pain syndromes. We created these indexes empirically by investigating the structure of symptoms using exploratory factor analysis.MATERIALS AND METHODS: As part of the MAPP (Multi-Disciplinary Approach tothe Study of Chronic Pelvic Pain) Research Network 424 participants completed questionnaires, including GUPI (Genitourinary Pain Index), ICSI (Interstitial Cystitis Symptom Index) and ICPI (Interstitial Cystitis Problem Index). Individual items from questionnaires about bladder and pain symptoms were evaluated by principal component and exploratory factor analyses to identify indexes with fewer questions to comprehensively quantify symptom severity. Additional analyses included correlating symptom indexes with symptoms of depression, which is a known comorbidity of patients with pelvic pain.RESULTS AND CONCLUSIONS: Exploratory factor analyses suggested that the 2factors pain severity and urinary severity provided the best psychometric description of items in GUPI, ICSI and ICPI. These factors were used to create 2symptom indexes for pain and urinary symptoms. Pain, but not urinary symptoms, was associated with symptoms of depression on multiple regression analysis, suggesting that these symptoms may impact patients with urological chronic pelvic pain syndromes differently (B ± SE for pain severity =0.24±0.04, 95% CI 0.16-0.32, β = 0.32, p <0.001). Our results suggest that pain and urinary symptoms should be assessed separately rather than combined into 1 total score. Total scores that combine the separate factors of pain and urinary symptoms into 1 score may be limited for clinical and research purposes.
 Chronic Pain Kidney Diseases Urology cystitis, interstitial biomedical research prostatitis factor analysis, statistical urinary bladder NUMBER DEPRESSION SCALE PSYCHOLOGICAL-FACTORS INTERSTITIAL CYSTITIS HOSPITAL ANXIETY PREVALENCE MEN UROLOGY & NEPHROLOGY QUALITY-OF-LIFE BLADDER INDEX Cystitis, Interstitial - diagnosis Chronic Pain - diagnosis Humans Middle Aged Patient Care Team Male Psychometrics Symptom Assessment - methods Pelvic Pain - diagnosis Depression - diagnosis Young Adult Aged, 80 and over Adult Female Surveys and Questionnaires Aged Pain Measurement Stress (Psychology) Analysis

Details

Metrics

24 Record Views
56 Times Cited - Web of Science
Logo image