The Interphalangeal Osteoarthritis Radiographic Simplified score
| iOARS score (DIP and PIP joints) | Feature present (points) | iOARS score (points) |
|---|---|---|
| Joint space narrowing | Yes/no (1/0) | |
| Osteophytes | Yes/no (1/0) | |
| Subchondral sclerosis | Yes/no (1/0) | |
| No interphalangeal OA | 0 | |
| Interphalangeal OA | ≥1 |
DIP, distal interphalangeal; iOARS score, Interphalangeal Osteoarthritis Radiographic Simplified score;
OA, osteoarthritis; PIP, proximal interphalangeal.