Table 3.
(Post-pre) kidney volume differences and percent differences in the right, left and total kidney measurements made by two readers. The postgadolinium volumes were significantly higher than the pregadolinium volumes
| Kidney | Reader | Volume difference (post − pre) (mL)
|
Volume %difference [(post − pre)/pre]x100
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | P value | P value (reader effect) | Mean | SD | P value | P value (reader effect) | ||
| Right | R1 | 16.49 | 14.84 | 0.001 | 0.006 | 4.98 | 6.26 | 0.002 | 0.010 |
| R2 | 24.41 | 14.69 | 0.000 | – | 6.87 | 6.51 | 0.001 | – | |
| Left | R1 | 11.99 | 22.59 | 0.028 | 0.029 | 4.34 | 5.51 | 0.002 | 0.020 |
| R2 | 24.87 | 21.11 | 0.000 | – | 6.56 | 7.11 | 0.001 | – | |
| Total | R1 | 28.48 | 31.00 | 0.001 | 0.003 | 4.57 | 5.24 | 0.001 | 0.005 |
| R2 | 49.28 | 26.27 | 0.000 | – | 6.59 | 6.25 | 0.000 | – | |