Table 1.

BASRI-Hip Standard Grading

Grading	Degree of Severity	Imaging Description
0	Normal	No radiological damage to the hip joint
1	Suspicious	Suspected narrowing of the hip joint space
2	Mild	Mild narrowing of the hip joint space but gap >2mm
3	Moderate	Severe narrowing of the hip joint gap, joint gap ≤ 2mm, hip bone contact surface ≤ 2cm
4	Severe	Osseous fusion or bone contact ≥ 2 cm