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Gender differences in 24-hour urinary diaries of asymptomatic North American adults.
J Urol. 2005 Feb; 173(2):490-2.JU

Abstract

PURPOSE

Two previously published studies from our center have described the urinary habits of asymptomatic men (284) and women (300) as revealed by 24-hour urinary diaries. Those gender specific studies found that urinary diary variables are affected by age and race. By comparing the data from those studies we determined the effect of gender on voiding habits.

MATERIALS AND METHODS

In this secondary analysis we matched each female urinary diary to that of a male of similar age and race. Diary variables were compared using paired sign tests with results considered significant at the 5% level.

RESULTS

A total of 141 matched pairs were studied. The population age ranged from 18 to 68 years and was racially diverse (56% black, 31% white, 7% Hispanic and 6% Asian). Men had higher total fluid intake and mean voided volume than women (p <0.001 and 0.04, respectively). Women voided more frequently than men (p = 0.006) and had more voids per liter of fluid intake (p <0.001). No gender differences were found for body mass index, nighttime or daytime diuresis rates, total urine volume, maximum voided volume or rates of nocturia.

CONCLUSIONS

This analysis suggests that there are significant gender effects on 24-hour diary variables, with females tending to void more often and at lower mean volumes. The results of our study may be useful in the design of research studies or for patient counseling.

Authors+Show Affiliations

Department of Urology, Loyola University Medical Center, Maywood, Illinois 60302, USA. emuelle@lumc.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15643226

Citation

Mueller, E, et al. "Gender Differences in 24-hour Urinary Diaries of Asymptomatic North American Adults." The Journal of Urology, vol. 173, no. 2, 2005, pp. 490-2.
Mueller E, Latini J, Lux M, et al. Gender differences in 24-hour urinary diaries of asymptomatic North American adults. J Urol. 2005;173(2):490-2.
Mueller, E., Latini, J., Lux, M., Stablein, U., Brubaker, L., Kreder, K., & Fitzgerald, M. P. (2005). Gender differences in 24-hour urinary diaries of asymptomatic North American adults. The Journal of Urology, 173(2), 490-2.
Mueller E, et al. Gender Differences in 24-hour Urinary Diaries of Asymptomatic North American Adults. J Urol. 2005;173(2):490-2. PubMed PMID: 15643226.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Gender differences in 24-hour urinary diaries of asymptomatic North American adults. AU - Mueller,E, AU - Latini,J, AU - Lux,M, AU - Stablein,U, AU - Brubaker,L, AU - Kreder,K, AU - Fitzgerald,M P, PY - 2005/1/12/pubmed PY - 2005/3/4/medline PY - 2005/1/12/entrez SP - 490 EP - 2 JF - The Journal of urology JO - J Urol VL - 173 IS - 2 N2 - PURPOSE: Two previously published studies from our center have described the urinary habits of asymptomatic men (284) and women (300) as revealed by 24-hour urinary diaries. Those gender specific studies found that urinary diary variables are affected by age and race. By comparing the data from those studies we determined the effect of gender on voiding habits. MATERIALS AND METHODS: In this secondary analysis we matched each female urinary diary to that of a male of similar age and race. Diary variables were compared using paired sign tests with results considered significant at the 5% level. RESULTS: A total of 141 matched pairs were studied. The population age ranged from 18 to 68 years and was racially diverse (56% black, 31% white, 7% Hispanic and 6% Asian). Men had higher total fluid intake and mean voided volume than women (p <0.001 and 0.04, respectively). Women voided more frequently than men (p = 0.006) and had more voids per liter of fluid intake (p <0.001). No gender differences were found for body mass index, nighttime or daytime diuresis rates, total urine volume, maximum voided volume or rates of nocturia. CONCLUSIONS: This analysis suggests that there are significant gender effects on 24-hour diary variables, with females tending to void more often and at lower mean volumes. The results of our study may be useful in the design of research studies or for patient counseling. SN - 0022-5347 UR - https://www.unboundmedicine.com/medline/citation/15643226/Gender_differences_in_24_hour_urinary_diaries_of_asymptomatic_North_American_adults_ L2 - https://www.jurology.com/doi/10.1097/01.ju.0000149947.28100.cd?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -