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. 2014 Sep 2;15:140. doi: 10.1186/1471-2369-15-140

Table 3.

R2* values in the control group and in the type 2 diabetic nephropathy groups injected with iodinated contrast agents

Kidney tissue Treatment 1 h 24 h 48 h 72 h
Cortex
 CG
 19.0 ± 2.3
 18.9 ± 2.1
 19.2 ± 2.2
 18.9 ± 2.7
 
 DN PC
 24.5 ± 3.6*
 24.5 ± 4.3*
 24.7 ± 4.5*
 25.4 ± 3.7*
 
 DN 200
 31.1 ± 3.2*
 31.3 ± 4.9*
 30.9 ± 3.6*
 28.9 ± 4.3*
 
 DN 240
 33.3 ± 4.6*
 34.8 ± 4.8*
 34.0 ± 3.1*
 33.5 ± 7.9*
 
 DN 300
 41.7 ± 5.1*
 41.9 ± 3.4*
 40.1 ± 5.5*
 39.2 ± 4.0*
 
 DN 350
 46.7 ± 5.2*
 50.2 ± 5.8*
 48.9 ± 5.7*
 43.7 ± 6.0*
 
 DN 400
 50.1 ± 5.6*
 57.6 ± 5.3*
 53.9 ± 6.1*
 47.4 ± 5.5*
Outer medulla
 CG
 20 ± 4.2
 22.7 ± 4.8
 22.4 ± 5.4
 21.6 ± 5.1
 
 DN PC
 29.9 ± 4.4*
 30.7 ± 5.1*
 28.2 ± 5.8*
 29.5 ± 5.4*
 
 DN 200
 38.1 ± 4.6*
 40.1 ± 6.2*
 37.5 ± 4.8*
 33.8 ± 5.8*
 
 DN 240
 42.3 ± 3.5*
 43.3 ± 5.7*
 40.3 ± 4.2*
 37.3 ± 3.5*
 
 DN 300
 53.4 ± 5.2*
 57.9 ± 5.6*
 48.8 ± 4.8*
 45.4 ± 5.2*
 
 DN 350
 60.6 ± 6.3*
 72.4 ± 5.7*
 62.9 ± 5.5*
 56.5 ± 5.3*
 
 DN 400
 67.6 ± 5.6*
 80.4 ± 6.3*
 74.7 ± 6.1*
 67.7 ± 5.8*
Inner medulla
 CG
 20.2 ± 2.4
 20.0 ± 3.6
 21.8 ± 2.7
 20.5 ± 3.2
 
 DN PC
 22.7 ± 4.7*
 24.5 ± 3.8*
 24.3 ± 4.0*
 22.9 ± 3.4*
 
 DN 200
 27.2 ± 3.3*
 30.6 ± 4.0*
 26.2 ± 2.7*
 25.0 ± 3.5*
 
 DN 240
 30.4 ± 3.8*
 33.6 ± 5.8*
 31.9 ± 4.2*
 29.9 ± 5.2*
 
 DN 300
 42.8 ± 5.2*
 44.2 ± 5.0*
 38.8 ± 4.9*
 32.7 ± 4.8*
 
 DN 350
 49.2 ± 5.7*
 50.2 ± 4.8*
 47.3 ± 5.8*
 39.4 ± 5.1*
  DN 400 55.2 ± 5.4* 57.2 ± 5.3* 55.3 ± 6.3* 46.4 ± 5.7*

Abbreviations:CG control group, DN diabetic nephropathy, PC positive control; 200 200 mg I/mL contrast agent; 240 240 mg I/mL contrast agent, 300 300 mgI/mL contrast agent, 350 350 mg I/mL contrast agent, 400 400 mg I/mL contrast agent.

The control group and the DN PC group were injected with physiological saline/.

Values are means ± standard deviation.

*P < 0.05 vs. the control group.