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Women overestimate daytime urinary frequency: the importance of the bladder diary.
J Urol. 2009 May; 181(5):2176-80.JU

Abstract

PURPOSE

We determined whether women with urinary incontinence reliably report urinary frequency.

MATERIALS AND METHODS

We retrospectively reviewed the medical records of 1,136 women who underwent a suburethral sling operation from 1999 to 2007. A routine form was used to document medical history, urinary symptoms, physical examination and urodynamics. A total of 601 patients with a mean +/- SD age of 59.2 +/- 11.6 years (range 30 to 91) who completed a bladder diary were included in this study. Patients were categorized into 4 levels of urinary frequency, and medical histories and bladder diaries were compared. The Spearman correlation coefficient was used to determine the degree of agreement between histories and diaries.

RESULTS

According to the diaries 535 patients (89%) voided 4 to 10 times during the day and 527 (87.6%) voided no more than twice at night. Only 47% of the women were accurate about daytime frequency. On the other hand, 93% of the women were accurate about the nighttime estimation. Of the women 51% overestimated daytime frequency. Overestimation was marked, especially in patients who reported a daytime frequency of greater than 10 voids per day. There was weak correlation between daytime urinary frequency obtained from medical histories and the frequency recorded in diaries (r = 0.31, p = 0.011). However, nighttime urinary frequencies correlated highly (r = 0.79, p = 0.02). Overestimation rates were similar in patients with and without overactive bladder.

CONCLUSIONS

Our results suggest that half of patients tend to overestimate daytime urinary frequency. However, the accuracy rate of nighttime frequency is much higher. A bladder diary provides invaluable information about urinary frequency and it should be an integral part of the routine assessment in women with lower urinary tract symptoms.

Authors+Show Affiliations

Department of Urogynaecology, Mercy Hospital for Women, Heidelberg, Victoria, Australia. stavkobi@yahoo.com.auNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19296975

Citation

Stav, Kobi, et al. "Women Overestimate Daytime Urinary Frequency: the Importance of the Bladder Diary." The Journal of Urology, vol. 181, no. 5, 2009, pp. 2176-80.
Stav K, Dwyer PL, Rosamilia A. Women overestimate daytime urinary frequency: the importance of the bladder diary. J Urol. 2009;181(5):2176-80.
Stav, K., Dwyer, P. L., & Rosamilia, A. (2009). Women overestimate daytime urinary frequency: the importance of the bladder diary. The Journal of Urology, 181(5), 2176-80. https://doi.org/10.1016/j.juro.2009.01.042
Stav K, Dwyer PL, Rosamilia A. Women Overestimate Daytime Urinary Frequency: the Importance of the Bladder Diary. J Urol. 2009;181(5):2176-80. PubMed PMID: 19296975.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Women overestimate daytime urinary frequency: the importance of the bladder diary. AU - Stav,Kobi, AU - Dwyer,Peter L, AU - Rosamilia,Anna, Y1 - 2009/03/17/ PY - 2008/09/22/received PY - 2009/3/20/entrez PY - 2009/3/20/pubmed PY - 2009/5/5/medline SP - 2176 EP - 80 JF - The Journal of urology JO - J Urol VL - 181 IS - 5 N2 - PURPOSE: We determined whether women with urinary incontinence reliably report urinary frequency. MATERIALS AND METHODS: We retrospectively reviewed the medical records of 1,136 women who underwent a suburethral sling operation from 1999 to 2007. A routine form was used to document medical history, urinary symptoms, physical examination and urodynamics. A total of 601 patients with a mean +/- SD age of 59.2 +/- 11.6 years (range 30 to 91) who completed a bladder diary were included in this study. Patients were categorized into 4 levels of urinary frequency, and medical histories and bladder diaries were compared. The Spearman correlation coefficient was used to determine the degree of agreement between histories and diaries. RESULTS: According to the diaries 535 patients (89%) voided 4 to 10 times during the day and 527 (87.6%) voided no more than twice at night. Only 47% of the women were accurate about daytime frequency. On the other hand, 93% of the women were accurate about the nighttime estimation. Of the women 51% overestimated daytime frequency. Overestimation was marked, especially in patients who reported a daytime frequency of greater than 10 voids per day. There was weak correlation between daytime urinary frequency obtained from medical histories and the frequency recorded in diaries (r = 0.31, p = 0.011). However, nighttime urinary frequencies correlated highly (r = 0.79, p = 0.02). Overestimation rates were similar in patients with and without overactive bladder. CONCLUSIONS: Our results suggest that half of patients tend to overestimate daytime urinary frequency. However, the accuracy rate of nighttime frequency is much higher. A bladder diary provides invaluable information about urinary frequency and it should be an integral part of the routine assessment in women with lower urinary tract symptoms. SN - 1527-3792 UR - https://www.unboundmedicine.com/medline/citation/19296975/Women_overestimate_daytime_urinary_frequency:_the_importance_of_the_bladder_diary_ L2 - https://www.jurology.com/doi/10.1016/j.juro.2009.01.042?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -