Table 2.

a: Controls Baseline vs. Post-furosemide R2*
Region	Baseline R2* (s−1)	Post R2* (s−1)	P-value †	d ‡
Large Cortex	19.6 ± 3.6	18.7 ± 4.7	0.22	0.21
Medulla	30.9 ± 4.1	22.5 ± 5.0	0.002	1.59
Parenchyma	23.8 ± 2.7	20.6 ± 4.1	0.002	0.84

b: CKD Baseline vs. Post-furosemide R2*
Region	Baseline R2* (s−1)	Post R2* (s−1)	P-value †	d ‡
Large Cortex	23.9 ± 7.3	22.0 ± 6.9	0.056	0.22
Medulla	29.7 ± 7.2	26.7 ± 7.0	0.039	0.35
Parenchyma	26.3 ± 6.1	24.8 ± 5.6	0.004	0.21

^†Wilcoxon signed rank test statistic

^‡Cohen’s d measure of effect size