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. 2016 Mar-Apr;42(2):321-6.
doi: 10.1590/S1677-5538.IBJU.2015.0032.

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

Mazhar A Memon  1 , M Hammad Ather  1
Affiliations

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

Mazhar A Memon et al. Int Braz J Urol. 2016 Mar-Apr.

Abstract

Objective: To evaluate correlation between visual prostate score (VPSS) and maximum flow rate (Qmax) in men with lower urinary tract symptoms.

Material and methods: This is a cross sectional study conducted at a university Hospital. Sixty-seven adult male patients>50 years of age were enrolled in the study after signing an informed consent. Qmax and voided volume recorded at uroflowmetry graph and at the same time VPSS were assessed. The education level was assessed in various defined groups. Pearson correlation coefficient was computed for VPSS and Qmax.

Results: Mean age was 66.1±10.1 years (median 68). The mean voided volume on uroflowmetry was 268±160mL (median 208) and the mean Qmax was 9.6±4.96mLs/sec (median 9.0). The mean VPSS score was 11.4±2.72 (11.0). In the univariate linear regression analysis there was strong negative (Pearson's) correlation between VPSS and Qmax (r=-848, p<0.001). In the multiple linear regression analyses there was a significant correlation between VPSS and Qmax (β-http://www.blogapaixonadosporviagens.com.br/p/caribe.html after adjusting the effect of age, voided volume (V.V) and level of education. Multiple linear regression analysis done for independent variables and results showed that there was no significant correlation between the VPSS and independent factors including age (p=0.27), LOE (p=0.941) and V.V (p=0.082).

Conclusion: There is a significant negative correlation between VPSS and Qmax. The VPSS can be used in lieu of IPSS score. Men even with limited educational background can complete VPSS without assistance.

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Conflict of interest statement

CONFLICT OF INTEREST

None declared.

Figures

Figure 1
Figure 1. Pictorial display of the visual IPSS (VPSS score), assessing daytime and nighttime frequency, flow rate and QoL.
See this image and copyright information in PMC

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