Table 3.

SNR and CNR values for TSE imaging of lumbar spine without and with CS.

-	T1WI			T2WI			PDWI
	CS	SENSE	P-values	CS	SENSE	P-values	CS	SENSE	P-values
SNR(bone marrow)	15.50±4.30	15.58±4.18	0.977	16.17±3.20	16.80±8.83	0.885	7.33±1.58	10.21±3.48	0.131
SNR(muscle)	29.40±8.65	29.13±8.51	0.962	12.07±1.51	11.63±0.99	0.598	13.22±2.66	14.65±3.11	0.456
SNR(CSF)	10.55±3.13	13.14±2.54	0.188	72.20±8.51	67.41±7.55	0.374	51.11±4.80	52.30±5.74	0.731
SNR(spinal cord)	17.88±5.36	21.64±5.27	0.295	24.91±0.82	25.62±3.16	0.639	32.56±8.55	38.53±7.94	0.286
SNR(nerve root)	7.62±1.78	11.30±4.95	0.157	-	-	-	-	-	-
CNR(bone marrow /CSF)	9.36±2.93	9.58±2.35	0.900	27.97±7.60	25.80±8.66	0.686	37.05±7.68	34.01±5.38	0.489
CNR(muscle /CSF)	6.80±1.04	7.75±1.70	0.319	52.15±5.45	48.20±1.47	0.156	44.23±3.73	43.32±4.45	0.736
CNR(spinal cord /CSF)	6.03±2.22	10.02±3.86	0.080	37.15±3.18	35.12±2.75	0.312	31.68±4.31	29.79±2.46	0.419
CNR(nerve root /CSF)	2.63±0.97	4.06±2.07	0.201	-	-	-	-	-	-

SNR = signal-to-noise ratio, CNR = contrast-to-noise ratio, CSF = cerebrospinal fluid.

The data are presented as means ± standard deviations.