Validation of the Bladder Control Self-Assessment Questionnaire (B-SAQ) in men
Sahai A, Dowson C, Cortes E, Seth J, Watkins J, Khan MS, Dasgupta P, Cardozo L, Chapple C, De Ridder D, Wagg A, Kelleher C. BJU Int. 2013 Oct 16. doi: 10.1111/bju.12521. [Epub ahead of print]

Source

MRC Centre for Transplantation, King's College London, King's Health Partners, Department of Urology, Guy's Hospital, London, UK.

Abstract

OBJECTIVES: ● To validate the Bladder Control Self-Assessment Questionnaire (B-SAQ), a short screener to assess LUTS / OAB in men. ● Lower urinary tract symptoms (LUTS) and overactive bladder (OAB) are highly prevalent. Case finding tools such as the B-SAQ have been developed to raise awareness of LUTS, possible bladder problems and prompt people to seek treatment.

PATIENTS & METHODS: ● Prospective, single centre study, urology outpatient setting. N=211. ● All patients completed the B-SAQ and Kings Health questionnaire (KHQ) prior to consultation, and the consulting urologist made an independent assessment of LUTS and need for treatment. ● Psychometric properties of the B-SAQ were analysed.

RESULTS: ● 98% of respondents completed all items correctly in less than 5 min. ● Mean B-SAQ scores were 12 and 3.3, respectively for cases (n=101) and controls (n=108) (p<0.00001). ● Good correlation was evident between the B-SAQ and the KHQ. ● The agreement between the individual B-SAQ items and the KHQ symptom severity scale was 86%, 85%, 84% and 79% for frequency, urgency, nocturia and urinary incontinence. ● Using a B-SAQ symptom threshold of ≥ 4 alone had a sensitivity, specificity and positive predictive value of 75%, 86% and 84%, respectively, for detecting LUTS with an area under the curve of 0.88. However, in combination with a bother score threshold of ≥ 1 this changed to 92%, 46% and 86%.

CONCLUSIONS: ● The B-SAQ is an easy and quick valid case finding tool for LUTS / OAB in men. ● The B-SAQ has the potential to raise awareness of LUTS. ● It appears to be less specific in men compared to women. ● Further validation in a community setting is required.