Grade | Scoring | Interpretation |
---|---|---|
0 | No pain, no disability | No chronic pain |
I | PI < 50; DP <3 | Low pain intensity/low disability |
II | PI ≥ 50; DP < 3 | High pain intensity/low disability |
III | DP = 3–4 | High disability/moderately limiting |
IV | DP = 5–6 | High disability/severely limiting |