From: The role of estrogen and progesterone receptors in the rotator cuff disease: a retrospective cohort study
Variables
Grade 0
Grade 1
Grade 2
Grade 3
Tenocytes
1 (11.1%)
2 (22.2%)
5 (55.6%)
Ground substance
3 (33.3%)
4 (44.4%)
0 (0%)
Collagen
Vascularity