Table 1

Index for establishing the diagnosis of Jaccoud’s arthropathy. Jaccoud’s arthropathy was considered present if the score exceeded 5 points

Jaccoud’s arthropathy IndexNumber of affected fingersPoints assigned
Ulnar drift (>20)1–42
5–83
Swan neck deformities1–42
5–83
Boutonniere deformities1–41
5–82
Z deformity12
23