TABLE IV.
Discriminant Validity: the Questionnaire-Based Voiding Diary Fluid Intake Amount and Urinary Symptom Subscale Scores for Responded and Non-Responders, Visit 3 (n = 254)
| QVD data | Respondersa (N = 167) | Non-respondersa (N = 83) | P-valueb |
|---|---|---|---|
| Mean urinary symptom score (SD) | 10.2 (3.3) | 18.5 (4.6) | <0.001 |
| Median total fluid intake amount (IQR) (ml) | 2,074 (1,006–2,267) | 2,347 (800–2,912) | <0.01 |
| Median caffeinated beverages (IQR) (ml) | 545 (240–842) | 780 (355–1,242) | 0.03 |
| Mean fluid behavior score (SD) | 5.3 (2.3) | 11.4 (3.2) | <0.01 |
| Mean urinary output score (SD) | 9.4 (2.8) | 11.8 (4.7) | <0.05 |
a
Response to global scale of improvement.
b
Wilcoxon rank sum test.