International Urogynecology Journal

, Volume 3, Issue 2, pp 114–117 | Cite as

A clinical index (BIDI) based on frequency/volume study in the diagnosis of bladder instability

  • O. Contreras Ortiz
  • A. Pellicari
  • G. Doretti
  • R. J. Lombardo
Original Article


A clinical index (BIDI) based on frequency/ volume evaluation was constructed and used in the non-invasive dignosis of bladder instability. Results of the BIDI were compared with the urodynamic diagnoses; 87% of the 89 cases studied were properly classified, with an 82% sensitivity and an 87% specificity. The BIDI is a simple, low-cost and non-invasive method with a low error probability, which can be applied for diagnostic and therapeutic decision-making purposes.


Bladder instability Clinical index Frequency/volume study Urinary incontinence 


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Copyright information

© The International Urogynecology Journal 1992

Authors and Affiliations

  • O. Contreras Ortiz
    • 1
  • A. Pellicari
    • 1
  • G. Doretti
    • 1
  • R. J. Lombardo
    • 1
  1. 1.Jose de San Martin School HospitalUniversity of Buenos AiresArgentina

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