Table 2.

Baseline characteristics of follicular thyroid cancer patients (n=82)

Characteristic	Number of patients
Mean age in years	47.9 (SD: 18.9, range: 13–89)
Female sex	53 (65%)
Type of surgery  Hemithyroidectomy with completion  Total thyroidectomy	57 (70%) 25 (30%)
Pathological details  Mean tumour size in cm  Gross invasion  Vascular invasion  Capsular invasion  Completeness of resection	3.79 (SD: 2.01) 37 (45%) 54 (66%) 70 (85%) 76 (93%)
Postoperative details  Adjuvant radioactive iodine  Recurrence  External beam radiotherapy  Distant metastasis	52 (63%) 11 (13%) 3 (4%) 20 (24%)
Mean follow-up duration in months	88.2 (SD: 46.5)
Deaths	7 (9%)
TNM  I  II  III  IV	7(9%) 7 (9%) 66 (80%) 2 (2%)
AGES  ≤3.99  4–4.99  5–5.99  ≥6	42 (51%) 15 (18%) 6 (7%) 19 (24%)
MACIS  <6  6–6.99  7–7.99  ≥8	40 (49%) 12 (15%) 6 (7%) 24 (29%)
AMES  Low risk  High risk	17 (21%) 65 (79%)
EORTC  <50  50–65  66–83  84–108  >108	24 (30%) 17 (20%) 20 (24%) 20 (24%) 1 (1%)

AGES = Age, Grade, Extent, Size; AMES = Age, Metastases, Extent, Sex; EORTC = European Organisation for Research and Treatment of Cancer; TNM = Tumour, Nodes, Metastases; MACIS = Metastases, Age, Completeness of resection, Invasion, Size; SD = standard deviation