Table 1: Summary of codes used to identify treatment modalities of Canadian patients with primary hepatic cancer during the period between 2002 and 2013. Codes for liver transplantation, hepatic resection (segmental or subtotal), ablation, and embolization with or without chemotherapy or transarterial radiation were selected from the Canadian Classification of Health Interventions manual [38].

Treatment modalityCode

Liver transplantation (cadaveric or live donor graft, whole organ or split)1.OA.85
Hepatectomy (laparoscopic or open surgery, segmental or subtotal)1.OA.87
Ablation (percutaneous, laparoscopic, open surgery, acetic acid, alcohol, cryoablation, radiofrequency ablation, microwave ablation)1.OA.59
Chemotherapy (transarterial chemotherapy)1.0A.3
Embolization (transarterial with or without chemotherapy or radiation therapy)1.OA.1