Table 2. Classification of the Supraspinatus in the Long and Short Axes by the Three-Point Ultrasound and Three-Point MRI Grading Systems.

Supraspinatus	US grade	MRI grade
		0 (Goutallier 0, 1)	1 (Goutallier 2)	2 (Goutallier 3, 4)	Total
Long axis
Echogenicity	0	39	23	2	64
	1	14	11	6	31
	2	1	3	7	11
	Total	54	37	15	106
Architecture	0	31	13	1	45
	1	21	21	3	45
	2	2	3	11	16
	Total	54	37	15	106
Short axis
Echogenicity	0	41	22	1	64
	1	12	11	6	29
	2	1	4	8	13
	Total	54	37	15	106
Architecture	0	30	14	2	46
	1	21	20	2	43
	2	3	3	11	17
	Total	54	37	15	106

MRI: magnetic resonance imaging, US: ultrasonography.