Table 1 List of extracted 26 features included in this study

Joint pain

Metaphysis

Morning stiffness

Distal end of phalanges

Joint friction sound

Epiphysis

Dwarfism

Carpals

Short humerus

Short fingers

Flexion of the distal part of fingers

Wrist joint movement limitation

Elbow joint movement limitation

Shoulder joint movement limitation

Ankle joint movement limitation

Knee joint movement limitation

Squatting limitation

Enlarged finger joint

Enlarged elbow joint

Enlarged knee joint

Enlarged ankle joint

Deformed finger joint

Deformed wrist joint

Deformed elbow joint

Deformed knee joint

Deformed ankle joint