Hip Scoring Schemes Compared
DESCRIPTION OFA (USA) BVA (UK) FCI (EUROPE)
deep seated femoral head (ball)
in well-formed socket Excellent total score 0 - 4 A1
not as tight as above, but
no sign of hip dysplasia Good total score 5 - 10 A2
femoral head can slip slightly Fair total score 11 - 18 B1
out of socket
looser fit than above, but
no sign of arthritic changes Borderline total score 19 - 25 B2
ball partially out of socket,
usually no arthritic changes Mild total score 26 - 30 C1
ball partially out of socket,
usually no arthritic changes Mild total score 31 - 35 C2
ball barely seated in shallow
socket, arthritic changes Moderate total score 36 - 42 D1
ball barely seated in shallow
socket, arthritic changes Moderate total score 43 - 50 D2
ball partly or completely out of
socket, major arthritic changes Severe total score 51 - 79 E1
ball partly or completely out of
socket, major arthritic changes Severe total score 80 - 106 E2
Comparisons in this table should give you an idea of what a foreign hip rating would translate to in terms of the scheme used in your country, an approximation