Mean Hounsfield unit values of the renal collecting systems for each group
| Group | Mean HU in Right Renal Pelvis | Mean HU in Left Renal Pelvis | Mean HU in Renal Pelvisesa | |
|---|---|---|---|---|
| Control | 68 | 3.2 | 1.8 | 3 |
| Clinical- or imaging-suspected CSF leak with no contrast visualized in the renal collecting system | 27 | 11.7 | 13.0 | 12 |
| Suspected CSF leak with contrast visualized in the collecting system | 7 | 132.8 | 128.5 | 131 |
↵a The mean for each group was rounded to the next whole number for simplification.