Estimation tool | Number of data sets | Mean percent difference | 95% CI | SD of percent difference | P |
---|
Vscan | 462 | 42.7 | 39.4–45.9 | 35.5 | < 0.001 |
Vratio | 462 | 26.3 | 24.6–28.1 | 19.6 | |
- Abbreviations: CI confidence interval, SD standard deviation, Vscan bladder volume measurement using bladder scan, Vratio bladder volume measurement using ratio of anatomical features