Table 2.

Comparison of the mean ADC and R2* values of kidneys in two groups of LN $\left(\overline{\mathit{x}}\mathbf{\pm }\mathit{s}\right)$

	n	Mean ADC (×10 −3  mm 2 / s)	R2* values of cortex (1/sec)	R2* values of medulla (1/sec)
Group A	31	2.50 ± 0.26	11.70 ± 2.24	13.99 ± 3.31
Group B	28	2.36 ± 0.21a	10.57 ± 1.04a	13.78 ± 3.67

Compared with group A, ^ap < 0.05.

Group A = class III, IV or V; Group B = class V + III or V + IV.