Table 4.
R2* values after an injection of 400 mg I/mL contrast agent in the control group, and type 1 and type 2 diabetic nephropathy groups
| 1 h | 24 h | 48 h | 72 h | |
|---|---|---|---|---|
| Cortex |
|
|
|
|
| CG |
39.7 ± 5.4 |
44.2 ± 5.5 |
43.2 ± 4.7 |
37.8 ± 5.7 |
| Type 1 DN |
50.3 ± 5.5* |
57.1 ± 5.2* |
54.2 ± 5.9* |
46.2 ± 6.5* |
| Type 2 DN |
50.1 ± 5.6* |
57.6 ± 5.3* |
53.9 ± 6.1* |
47.4 ± 5.5* |
| Outer medulla |
|
|
|
|
| CG |
52.7 ± 5.1 |
60.4 ± 6.2 |
53.6 ± 6.7 |
49.5 ± 6.2 |
| Type 1 DN |
68.6 ± 5.9* |
80.3 ± 5.6* |
76.7 ± 5.5* |
68.1 ± 5.9* |
| Type 2 DN |
67.6 ± 5.6* |
80.4 ± 6.3* |
74.7 ± 6.1* |
67.7 ± 5.8* |
| Inner medulla |
|
|
|
|
| CG |
44.4 ± 5.7 |
49.9 ± 5.6 |
47.5 ± 5.6 |
39.9 ± 6.2 |
| Type 1 DN |
54.7 ± 6.1* |
57.6 ± 5.4* |
54.1 ± 6.6* |
45.7 ± 6.1* |
| Type 2 DN | 55.2 ± 5.4* | 57.2 ± 5.3* | 55.3 ± 6.3* | 46.4 ± 5.7* |
Abbreviations:CG control group; DN diabetic nephropathy.
Values are means ± standard deviation.
*P < 0.05 vs. the control group.
There were no significant differences in the R2* values between the type 1 and type 2 diabetic nephropathy groups in the same renal compartment at the same time.