Fig. 8From: Preliminary report of the outcomes and indications of single approach, double-channel core decompression with structural bone support and bone grafting for osteonecrosis of the femoral headKaplan-Meier survival curve (The endpoint is revision to THA): A stratified according to JIC type; B stratified according to aetiology; C stratified according to age; D stratified according to ARCO stageBack to article page