Relationship between visual prostate score (VPSS) and maximum flow rate (Qmax) in men with urinary tract symptoms

Memon, Mazhar Ali; Ather, M Hammad

doi:10.1590/s1677-5538.ibju.2015.0032

Cited by 6 publications

(5 citation statements)

References 14 publications

(16 reference statements)

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“…The maximum urinary flow rate (Qmax) is the most widely used variable to define voiding dysfunction anda Qmax < 10 ml/s in men has a positive predictive value for detecting obstruction of 88%. Our findings are in line with those of other studies validating the VPSS in relation to urodynamic data (26). In line with Rogel’s study, which validated the Analogical Uroflowmetry tool (ANUF) (33), our urinary stream pictograms were found to be directly correlated with maximum flow rates.…”

Section: Discussionsupporting

confidence: 93%

“…The VPSS is a validated instrument for the diagnosis of these symptoms, comprising four questions, and was created as a simplified survey (16) based on the International Prostate Symptom Score (IPSS) domains (10). Following the initial publications describing the development and validation of the VPSS, other studies utilized this tool to appraise its validity and applicability when compared to the gold standard, the IPSS (24,25), and urodynamic findings, namely uroflowmetry (26). Despite being widely used, the VPSS has some understanding and interpretation issues, especially common among older men and those with a lower education level (19,27).…”

Section: Discussionmentioning

confidence: 99%

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LUTS-V: A New Simplified Score for Assessing Lower Urinary Tract Symptoms in Men

Silva

Araujo

Alvaia

et al. 2020

Preprint

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OBJECTIVETo validate a new simplified score for the assessment of men with LUTS (LUTS-V).METHODSWe made adjustments to the VPSS, resulting in a new simplified instrument (LUTS visual score – LUTS-V). In a pilot study, LUTS-V was administered to 50 men to identify interpretation issues. We used the International Prostate Symptom Score (IPSS) as the gold standard to validate the new tool in 306 men. The total IPSS and LUTS-V scores for each subject were evaluated and we used Bland-Altman analysis and Pearson’s correlation plot to assess the agreement between the scores. A ROC curve was utilized to determine the diagnostic accuracy of LUTS-V and its diagnostic properties were described in terms of sensitivity, specificity, positive and negative predictive values.RESULTSMedian age was 59 [52-67] years and, according to the IPSS, 26 (8.7%) patients had severe symptoms, while 99 (33%) had moderate symptoms, and 175 (58.3%) had mild symptoms. We found a positive correlation between the IPSS and LUTS-V (r = 0.72; p < 0.0001). Bland-Altman analysis showed good agreement between the two questionnaires. We found LUTS-V to have a diagnostic accuracy to detect more severe cases of 83% (95% CI: [78-87%]; p < 0.001), as estimated by the area under the ROC curve. The cut-off value of ≥ 4 points was the best threshold, with a sensitivity of 74% and a specificity of 78%, which resulted in a negative predictive value of 81% and a positive predictive value of 71% in this scenario. Median completion time was 0.51 [0.41-1.07] min for LUTS-V and 2.5 [2.2-3.4] min for the IPSS (p < 0.0001). In addition, 91.5% of patients completed the questionnaires with no help, while the other 8.5% were interviewed.CONCLUSIONLUTS-V is a simple, self-administered tool with a significant discriminating power to identify patients with moderate to severe symptoms.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

LUTS-V: A New Simplified Score for Assessing Lower Urinary Tract Symptoms in Men

Silva

Araujo

Alvaia

et al. 2020

Preprint

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“…Moreover, the reductions of response options improve patient comprehension and reduce the 'respondent's burden. These results are similar to those found by Crawford and colleagues (26) when developing and validating their simplified instrument UWIN (Urgency, Weak Stream, Incomplete Emptying, and Nocturia), which also contains fewer response options regarding the quality of life.…”

Section: Discussionsupporting

confidence: 88%

Luts-V: A new simplified score for assessing lower urinary tract symptoms in men

et al. 2021

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Objectives: Develop and validate a new and simplified score for evaluating the lower urinary tract symptoms in men. Materials and methods: We modified the existing visual prostate symptom score, including changes in the images, sequence, and new alternatives, resulting in a new visual score (LUTS visual score-LUTS-V). For the validation of the new tool, we used the International Prostatic Symptom Score as the gold-standard and the new LUTS-V to 306 men. The total IPSS score and the total LUTS-V score of each subject were evaluated to determine the agreement between the two instruments. ROC curve was used to evaluate the diagnostic accuracy and best cut-off of LUTS-V. Sensitivity, specificity, and diagnostic odds ratios were used to describe the diagnostic properties. Results: The mean age of the participants was 59 [52-87] years. There was a significant correlation between LUTS-V and IPSS. (r=0.72 (p <0.0001). The Bland-Altman analyzes demonstrate good agreement between the two questionnaires (bias=5.6%). LUTS-V demonstrated excellent diagnostic accuracy in detecting the most serious cases with an area under the ROC curve of 83% [78-87%] 95% CI. p <0.001). LUTS-V >4 was the best threshold, with a sensitivity of 74% and specificity of 78%. Conclusions: LUTS-V is a simple, self-administered tool with a significant discriminatory power to identify subjects with moderate to severe LUTS and may represent a useful instrument for the diagnosis and follow-up of men with urinary symptoms.

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“…All correlations presented are nonparametric Spearman’s rank order correlations, except for the parametric Pearson’s product–moment correlations presented in Bhomi (2017) [ 43 ], Memon (2016) [ 44 ] and Taneja (2017) [ 12 ]. Number of Participants IPSS Tot vs. VPSS Tot IPSS Tot vs. Qmax IPSS Tot vs. Qave VPSS Tot vs. Qmax VPSS Tot vs. Qave FREQ VPSS Q1 vs. IPSS Q2 NOCT VPSS Q2 vs. IPSS Q7 WEAK VPSS Q3 vs. IPSS Q5 IPSS Q5 vs. Qmax IPSS Q5 vs. Qave VPSS Q3 vs. Qmax VPSS Q3 vs. Qave IPSS QOL vs. VPSS QOL IPSS Tot vs. IPSS QOL VPSS Tot vs. VPSS QOL Abiola (2016) [ 45 ] n = 90 .775 - - - - .524 .873 .639 - - - - .533 - - <0.001 - - …”

Section: Table A1mentioning

confidence: 99%

How Do Patients Understand Questions about Lower Urinary Tract Symptoms? A Qualitative Study of Problems in Completing Urological Questionnaires

Schlatmann

Balken

Winter

et al. 2022

IJERPH

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Lower urinary tract symptoms are common complaints in ageing people. For a urological evaluation of such complaints in men, the International Prostate Symptom Score (IPSS) is used worldwide. Previous quantitative studies have revealed serious problems in completing this questionnaire. In order to gain insight into the nature and causes of these problems, we conducted a qualitative study. Not only the purely verbal IPSS was studied but also two alternatives, including pictograms: the Visual Prostate Symptom Score (VPSS) and the Score Visuel Prostatique en Image (SVPI). Men aged 40 years and over with an inadequate level of health literacy (IHL; n = 18) or an adequate level of health literacy (AHL; n = 47) participated. Each participant filled out one of the three questionnaires while thinking aloud. The analysis of their utterances revealed problems in both health literacy groups with form-filling tasks and subtasks for all three questionnaires. Most noticeable were the problems with the IPSS; the terminology and layout of this form led to difficulties. In the VPSS and SVPI, the pictograms sometimes raised problems. As in previous research on form-filling behavior, an overestimation by form designers of form fillers’ knowledge and skills seems to be an important explanation for the problems observed.

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Relationship between visual prostate score (VPSS) and maximum flow rate (Qmax) in men with urinary tract symptoms

Cited by 6 publications

References 14 publications

LUTS-V: A New Simplified Score for Assessing Lower Urinary Tract Symptoms in Men

LUTS-V: A New Simplified Score for Assessing Lower Urinary Tract Symptoms in Men

Luts-V: A new simplified score for assessing lower urinary tract symptoms in men

How Do Patients Understand Questions about Lower Urinary Tract Symptoms? A Qualitative Study of Problems in Completing Urological Questionnaires

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