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Responsiveness and minimal clinically important change in overactive bladder symptom score
Momokazu Gotoh1, Yukio Homma, Osamu Yokoyama
1Department of Urology, Nagoya University Graduate School of Medicine, Nagoya, Japan. gotoh@med.nagoya-u.ac.jp
Urology
|August 23, 2011
Summary
The Overactive Bladder Symptom Score (OABSS) effectively measures treatment outcomes for overactive bladder. A minimal clinically important change (MCIC) of -3 indicates meaningful symptom improvement for patients.
Area of Science:
- Urology
- Clinical Outcomes Assessment
- Patient-Reported Outcomes
Background:
- Overactive bladder (OAB) significantly impacts quality of life.
- Quantifying symptom changes is crucial for evaluating OAB treatments.
- The Overactive Bladder Symptom Score (OABSS) is a widely used measure.
Purpose of the Study:
- To evaluate the responsiveness of the OABSS in patients with overactive bladder.
- To determine the minimal clinically important change (MCIC) for the OABSS.
Main Methods:
- Data from a clinical trial of propiverine for OAB patients were analyzed.
- Responsiveness was assessed using effect sizes and correlations with bladder diary data.
- MCIC was estimated using receiver operating characteristic (ROC) curve analyses.
Main Results:
- The OABSS demonstrated good responsiveness with moderate to large correlations.
- A linear relationship was observed between OABSS changes and symptom improvement.
- The minimal clinically important change (MCIC) for the OABSS was determined to be -3.
Conclusions:
- The OABSS is a responsive and valuable tool for assessing OAB symptom treatment.
- A change of -3 on the OABSS represents a clinically meaningful improvement for patients.
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