Predicting bacteriuria in urogynecology patients

David D. Rahn, Muriel K. Boreham, Katrina E. Allen, Mikio A. Nihira, Joseph I. Schaffer

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Objective: This study was undertaken to determine whether reagent strip testing can predict bacteriuria in urogynecology patients. Study design: All women undergoing urodynamic evaluations fromJune 1997 toOctober 2001 were identified by using a computerized database. Urine culture results were compared with reagent strip testing. Significant bacteriuria was defined as greater than 105 colony-forming units per milliliter. Results: Bacteriuria prevalence was 8.6% (n =51). Sensitivity and specificity of nitrites were 0.51, (95% CI, 0.31-0.66) and 0.991, (95% CI, 0.974-0.998), respectively. Blood had a lower sensitivity (0.35,95%CI, 0.20-0.54) and specificity (0.80,95%CI, 0.75-0.84). Leukocyte esterase was similar to blood with a sensitivity of 0.28 (95% CI, 0.14-0.45) and specificity of 0.83 (95% CI, 0.78-0.87). No combination of tests offered improved sensitivity or specificity over nitrites alone. Conclusion: Nitrite dipstick testing has excellent specificity for bacteriuria in urogynecologic patients. These results support the treatment of women with positive nitrites who are preparing to undergo urodynamics without obtaining culture.

Original languageEnglish (US)
Pages (from-to)1376-1378
Number of pages3
JournalAmerican journal of obstetrics and gynecology
Volume192
Issue number5 SPEC. ISS.
DOIs
StatePublished - May 2005

Keywords

  • Bacteriuria
  • Nitrite
  • Reagent strip
  • Urinalysis
  • Urine culture

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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