Table 1

Criteria for referral to AKSS from A&E department as per guidelines

Some patients fulfilled more than one criterion.
(1) History of swelling, locking or giving way51
(2) Effusion (greater than minimal)30
(3) Loss of passive extension – query locked less than 20°31
(4) Loss of active flexion less than 75°11
(5) Minimal or moderate laxity on valgus or varus testing of the knee or unable to adequately assess8
(6) Non-weight bearing or difficulty weight bearing47
(7) Inappropriate referral6