Influence of Acquisition Time on MR Image Quality Estimated with Nonparametric Measures Based on Texture Features

Table 2

Mean values and standard deviations of the SNR estimated for different structures.

ROI	GRAPPA1 SNR
	Mean	Standard deviation
Tendon	14.47	11.95
Humerus	172.48	143.70
Muscle (shoulder)	10.31	1.59
Vertebra	131.97	161.83
Muscles (spine)	51.29	48.60