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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: J Magn Reson Imaging. 2011 May;33(5):1091–1099. doi: 10.1002/jmri.22526

Table 3.

R2 and kidney size responses to adenosine in the absence of ferumoxytol (pooled results of groups I-a and I-b, N = 8)

Adenosine results in
absence of ferumoxytol		 ΔR2 in cortex [s−1] ΔR2 in OSOM [s−1] ΔR2 in ISOM [s−1] Δarea
Response to adenosine1 2.8 ± 0.5**
(p = 0.0010)		 4.0 ± 0.7**
(p = 0.0005)		 2.0 ± 0.5**
(p = 0.005)		 −13.4 ± 1.1%**
(p < 0.0001)
Correlation between ΔR2 and Δarea r = −0.67
(p = 0.07)		 r = −0.66
(p = 0.07)		 r = −0.41
(p = 0.3)
1

Response to adenosine = (acquisition 2) – mean [(acquisition 1) and (acquisition 3)]; refer to Figure 2 for acquisition timing

**

highly significant (p < 0.01)

All results expressed as mean ± SEM