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. Author manuscript; available in PMC: 2009 Jan 23.
Published in final edited form as: NMR Biomed. 2008 Jun;21(5):453–463. doi: 10.1002/nbm.1209

Table 2. Diagnostic accuracy of ORI for disinguishing MION-shifted water resonances from on-resonance water at 14 and 4.7 T.

Opimal WSBW (Hz) Area under ROC curve
MION concentration (μFe/mL) MION-induced shift (Hz) 14 T 4.7 T 14 T 4.7 T
256 502 300 140 0.991 0.997
128 222 200 100 0.976 0.992
64 102 120 60 0.926 0.970
32 60 50 50 0.678 0.951
16 29 — 30 — 0.872