The patient burden of nocturnal polyuria in the United States: Results from the epidemiology of nocturnal polyuria (EpiNP) study.

To explore the impact of nocturnal polyuria (NP) on health-related quality of life (HRQoL), work productivity, mental health, fatigue, bother, and daytime sleepiness.

This large-scale, US population-representative epidemiologic study was conducted in two parts: a web-based survey and 3-day bladder diary. Consenting participants completed the baseline Epidemiology of NP (EpiNP) survey online (Lower Urinary Tract Symptoms [LUTS] Tool, comorbidities, burden, and multiple HRQoL measures). Participants who reported ≥2 voids/night, and a random sample of 100 respondents each reporting 0 or 1 void/night, were sent urine measurement containers and asked to complete the 3-day bladder diary. NP was defined as Nocturnal Polyuria Index >0.33 (NPI33) or nocturnal urine production >90 ml/h (NUP90). Five subgroups were created: Idiopathic NP (NP with no underlying cause), NP associated with symptoms of overactive bladder (NPOAB) or bladder outlet obstruction (NPBOO; men only), NP associated with other comorbidities (NPCOM; e.g., diabetes, hypertension, heart disease, sleep apnea), and no NP (did not meet NP criteria).

A total of 4893 men and 5297 women completed the EpiNP survey; mean age was 54.4 (SD = 14.7). Significantly greater patient burden (p < 0.0001) was evidenced in the nocturia group (≥2 voids/night) versus no nocturia group (0-1 void/night) on daily impact of nocturia, LUTS Bother, prostate symptoms (men only), work productivity, physical and mental health component scores, depression, fatigue, and daytime sleepiness. NP subgroup analyses showed men in the NPBOO group and women in the NPOAB group reported the greatest impact on LUTS bother, fatigue, physical health, work productivity impairment, daytime sleepiness, and depression (women only).

This was the first large-scale, epidemiologic study to explore the impact of different forms of NP on patients' HRQoL. Findings demonstrate that NP associated with other urologic or comorbid conditions appears to have greater patient burden than idiopathic NP, in particular for women.

Neurourology and urodynamics. 2023 Jan 19 [Epub ahead of print]

Christopher R Chapple, Matt T Rosenberg, Elizabeth R Mueller, Bilal Chughtai, Jeffrey P Weiss, Kristian Juul, Anne B Brooks, Elizabeth D Bacci, Fredrik L Andersson, Karin S Coyne, Jlh Ruud Bosch

Department of Urology, Sheffield Teaching Hospitals NHS Foundation Trust, University of Sheffield, Sheffield, UK., Department of Family Medicine, Mid Michigan Health Center, Jackson, Michigan, USA., Departments of Obstetrics/Gynecology & Urology, Division Female Pelvic Medicine & Reconstructive Surgery, Loyola University Medical Center, Maywood, Illinois, USA., Department of Urology, Weill Cornell Medical College, New York City, New York, USA., Department of Urology, SUNY Downstate Health Sciences University, Brooklyn, New York, USA., Global Value and Access, Ferring Pharmaceuticals A/S, Copenhagen, Denmark., Patient Centered Research, Former employee at Evidera, Bethesda, Maryland, USA., Patient Centered Research, Evidera, Seattle, Washington, USA., Patient Centered Research, Evidera, Bethesda, Maryland, USA., Department of Urology, Franciscus G&V Hospital, Rotterdam, The Netherlands.