From: Expression of xylosyltransferases I and II and their role in the pathogenesis of arthrofibrosis
Color intensity | No stain reaction | Weak stain reaction | Moderate stain reaction | Strong stain reaction |
---|---|---|---|---|
Positive cells | 0 points | 0 points | 0 points | 0 points |
No positive cells, 0 points | IRS = 0 | IRS = 0 | IRS = 0 | IRS = 0 |
< 10% positive cells, 1 point | IRS = 0 | IRS = 1 | IRS = 2 | IRS = 3 |
10–25% positive cells, 2 points | IRS = 0 | IRS = 2 | IRS = 4 | IRS = 6 |
26–50% points positive cells, 3 points | IRS = 0 | IRS = 3 | IRS = 6 | IRS = 9 |
51–100% positive cells, 4 points | IRS = 0 | IRS = 4 | IRS = 8 | IRS = 12 |