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Surgical procedures for urethral diverticula in women in the United States, 1979–1997

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The objective of this study was to describe national rates of surgery for urethral diverticula in women. Data from the National Hospital Discharge Survey (NHDS), a federal database that samples inpatient hospitals in the United States, were analyzed from 1979 to 1997 for diagnosis and procedure codes using the ICD-9-CM classification system. The difference between the median age-adjusted rates from 1979 to 1988 and 1989 to 1997 were evaluated using the Mann-Whitney U test since the yearly rates fluctuated in a nonlinear fashion. Data from the National Statistics for Ambulatory Surgery (NSAS) database were analyzed from 1994 to 1996 in a similar fashion. The average age of women undergoing surgery for urethral diverticula increased from 41.6±15.1 years from 1979 to 1988 to 49.4±14.8 years from 1989 to 1997 (p=0.02). The average length of hospital stay decreased from 8.4±5.0 days in 1979 to 3.2±1.7 days in 1997 (p=0.007). Approximately 27,000 inpatient procedures were performed for the repair of urethral diverticula in the United States over a 19-year period, ranging from an estimated 500 to 3400 cases per year. The median age-adjusted rate of procedures decreased from 14.2 per 1 million women from 1979 to 1988 to 6.4 per 1 million women from 1989 to 1997 (p=0.009). Data from the NSAS indicated that an average of 6.7 surgeries per 1 million women per year were performed in the outpatient setting from 1994 to 1996. Age-adjusted rates of inpatient surgery for urethral diverticula were threefold higher for black compared to white women. Inpatient surgical repair of urethral diverticula is three times as high in black as compared to white women. These procedures are infrequent and rates appear to have decreased over time.

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Correspondence to Lara J. Burrows.

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This research has been presented in abstract form in March 2003 at the Annual Meeting of the Society of Gynecologic Surgeons

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Burrows, L.J., Howden, N.L.S., Meyn, L. et al. Surgical procedures for urethral diverticula in women in the United States, 1979–1997. Int Urogynecol J 16, 158–161 (2005).

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