Table 1.

The Estimated Chemical Exchange Rates of lopromide (Hz).The 95% confidence intervals are shown in parentheses.

Method	4.2 ppm	5.6 ppm
Bloch Fitting	55.9 (53.7 - 58.3)	1117.1 (1100.5 - 1134.0)
QUEST (4 μT)	28.9 (17.5 -47.8)	87.8 (57.6 - 133.9)
QUEST (10 μT)	---	694.7 (453.8 - 1063.7)
QUESP	118.0 (65.2 -213.6)	2826.3 (2059.7 -3878.2)
LB-QUESP	101.2 (80.2 -111.3)	922.3 (648.8 - ∞)
EH-QUESP	−118.3 (−41.7 to −162.0)	1160.5 (1040.3-1269.3)
HW-QUESP	300.0 (0 -416.1)	1225.2 (1224.6 - 1226.0)
LB-Conc	595.4 (537.2 - 653.5)	308.3 (210.1 –406.4)
EH-Conc	655.6 (516.3 - 794.8)	198.5 (0-841.6)
HW-Conc	607.3 (494.4 - 720.2)	327.1 (162.2 -492.0)