Table 1.

Comparision of ultrasonography and magnetic resonance imaging with operative findings for rotator cuff tear

Operative findings	Ultrasound				MRI
	Full-thickness tear	Partial-thickness tear	No tear	Total	Full-thickness tear	Partial-thickness tear	No tear	Total
Full-thickness tears	15	0	2	17	33	1	2	36
Partial-thickness tears	0	4	0	4	1	3	1	5
No tear	2	2	11	15	2	0	12	14
Total	17	6	13	36	36	4	15	55