† included: allergic shock after blood transfusion; hemarthrosis;
subcutaneous adiponecrosis and common peroneal nerve compression;
sciatic nerve injury
‡ included: urinary infection; herpes zoster; compromised sensory
function of planta pedis and plantar flexion ability of the first toe;
thrombocytopenia
§ Short-term complications are defined as those no more than 3 months
after surgery.