Table 2.

Data items collected by the ANZTCR

Recruitment	Patient details	Preoperative	Procedure(s)	Postoperative	Treatment
Patient ID Given name(s) Surname Date of birth Sex Country Street address Suburb State/city Postcode Medical record number Surgeon name Date of diagnosis Basis of diagnosis Disclosure of diagnosis to patient Vital status Date of death Cause of death	Contact number Email address Country of birth Preferred language Interpreter required Aboriginal, Torres Strait Islander status Maori status Biobank sample	Presence of comorbidities Medication at diagnosis Thyroid function at first presentation Neck examination Palpable lymph nodes Family history of thyroid disease Previous exposure to radiation Previous thyroid surgery Preoperative imaging Presence of suspicious lymph nodes Largest thyroid nodule diameter Fine needle aspiration Clinical voice abnormality Preoperative laryngeal exam	Date of procedure Procedure type Indication for procedure Residual tumour Lymph node dissection Lymph node dissection intent Lymph node dissection levels Recurrent laryngeal nerve Nerve integrity monitor Primary and secondary TC pathology PTC, FTC, HCC variants Incidental finding of cancer Thyroid benign pathology Largest tumour diameter Margin status Multifocal cancer Lymphovascular invasion Extrathyroidal extension Lymph node metastases Distant metastases Distant metastases sites	Surgical complications TNM staging Vitamin supplementation Genetic testing	Maximum stimulated Tg (μg/L) Maximum TgAb (U/mL) Method of TSH stimulation Maximum stimulated TSH (mU/L) RAI remnant ablation (RRA) Other adjuvant therapy

ANZTCR, Australian and New Zealand Thyroid Cancer Registry; FTC, follicular thyroid cancer; HCC, hurthle cell carcinoma; PTC, papillary thyroid cancer; RAI, radioactive iodine; TC, tyroid cancer; TNM, tumor, node, metastases; TSH, thyroid stimulating hormone.