. Author manuscript; available in PMC: 2011 Jun 1.

Published in final edited form as: J Magn Reson. 2010 Mar 9;204(2):340–345. doi: 10.1016/j.jmr.2010.03.005

Table 1.

Signal intensity and SNR values of the four metabolites from an ROI in the center of the right kidney. SNR denotes the SNR in the respective image (as described in Data Analysis), nSNR is the SNR corrected for polarization (normalized to the average polarization for the four dissolutions), and nSNR_ref the polarization-corrected SNR with the noise level measured in a metabolic image of the reference urea phantom.

	Pyr						Lac
	FID1	FID2	sp1	sp2	sp1_sum	sp2_sum	FID1	FID2	sp1	sp2	sp1_sum	sp2_sum
Sig. [mM%]	14.0	18.0	16.5	23.9	22.3	29.1	3.1	2.4	2.5	2.4	4.4	4.5
SNR	76	79	70	110	72	89	45	44	39	53	45	49
nSNR	80	76	70	108	73	87	47	42	39	52	46	48
nSNR_ref	346	442	326	473	232	332	75	60	49	48	50	51
	Ala						Bic
	FID1	FID2	sp1	sp2	sp1_sum	sp2_sum	FID1	FID2	sp1	sp2	sp1_sum	sp2_sum

Sig. [mM%]	1.1	1.6	1.4	1.4	2.3	2.3	0.5	0.5	0.5	0.8	0.9	1.1
SNR	18	24	27	24	25	16	13	13	13	17	14	20
nSNR	19	23	27	24	25	16	14	12	13	17	14	20
nSNR_ref	27	39	28	27	27	27	9	11	10	15	10	13