The goal of this study was to determine the Minimal Clinically Important Difference (MCID) for the Overactive Bladder Questionnaire-Version 8 (OAB-V8) and the International Consultation on Incontinence Questionnaire- Short Form (ICIQ-SF) in people with Overactive Bladder Syndrome (OAB).
104 patients with OAB will receive common behavioral therapy and transcutaneous posterior tibial nerve stimulation (TPTNS) for 12 weeks. OAB-related symptoms and quality of life (QoL) will be assessed with the OAB-V8 and ICIQ-SF baseline and post-intervention. The receiver operating characteristic (ROC) analysis and the Gamma coefficient will be employed to determine sensitivity.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
104
Behavioral therapy included appropriate fluid intake, bladder training, habit training, pelvic floor muscle exercises (Kegel exercises), prompted voiding, and scheduled voiding. TPTNS will be applied in a biphasic square waveform with a frequency of 20 Hz and 200 cycles/sec in 30-minute sessions. The current intensity will be varied between 0.5-20 mA according to the patient's pain threshold.
Overactive Bladder Questionnaire-Version 8 (OAB-V8)
On this scale, which ranges from 0 to 40 points, higher scores are associated with greater symptom severity.
Time frame: Baseline
Overactive Bladder Questionnaire-Version 8 (OAB-V8)
On this scale, which ranges from 0 to 40 points, higher scores are associated with greater symptom severity.
Time frame: After the 12-week intervention
International Consultation on Incontinence Questionnaire- Short Form (ICIQ-SF)
The total score of the scale ranges from 0 to 21, with higher scores indicating more severe symptoms. It measures the frequency, severity, and impact of OAB through three main questions. An additional open-ended question allows patients to describe their symptoms.
Time frame: Baseline
International Consultation on Incontinence Questionnaire- Short Form (ICIQ-SF)
The total score of the scale ranges from 0 to 21, with higher scores indicating more severe symptoms. It measures the frequency, severity, and impact of OAB through three main questions. An additional open-ended question allows patients to describe their symptoms.
Time frame: After the 12-week intervention
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