Table 1. Participant demographic information and treatment notes for platelet-rich plasma injection procedure.

Subject	Age (yrs)	DOI (yrs)	Race/Ethnicity	Injury level	Ultrasound indicators	PRP volume, treatment locations
1*	51	13	W, NH	C6	Clear PT tear	3 mL, Bursal and articular side of partial thickness tear
2	48	20	W, H	T12	Mild tendinosis	5 mL, Subacromial space
3†	60	45	W, H	T12	Possible FT tear	4 mL, Tendon, long axis
4	58	29	W, NH	C7	Clear FT tear	3 mL, Tendon, unspecified
5†	62	22	W, NH	C5	Clear FT tear	4 mL, Articular sided tear
6	48	31	W, NH	T6	Clear PT tear	4 mL, Areas of tendinopathy and partial tear

Notes. W = White. H/NH = Hispanic/Non-Hispanic. PT = partial thickness. FT = full thickness. DOI = duration of injury. All participants were male.

* Biceps tendon injection (2 mL) in addition to supraspinatus.

† Supraspinatus intratendinous calcifications needled in addition to PRP injection.