Table 1.

Clinicopathologic Characteristics of Patients with Large NIFTP^a

All cases (n = 79)
Sex
Female	51	65%
Male	28	35%
Age, years, median (range)	49 (22–81)
Size, cm, median (range)	4.5 (4.0–8.0)
Sampling of NIFTP
Entirely or entire capsule	50	63%
Representative	29	37%
Blocks sampled per cm of tumor if only representatively sampled, median (range)	2.1 (0.5–4.2)
Sampling and status of lymph nodes
Not sampled	54	68%
Benign lymph node(s)	25	32%
Surgical procedure
Lobectomy	26	33%
Total/subtotal thyroidectomy	53	67%
Postoperative RAI ablation
Not available	15	19%
No RAI	37	47%
RAI	27	34%
FU duration, years, median, mean (range)	5.8, 7.3 (0.3–26.0)
Disease status at last FU
Not available	15	19%
NED	64	81%
Patients with large NIFTP and at least 2-year FU (n = 60)
RAI
Not available	1	2%
No RAI	32	53%
RAI	27	45%
Surgical procedure
Lobectomy	17	28%
Total/subtotal thyroidectomy	43	72%
FU duration, years, median. mean (range)	5.9, 7.7 (2.0–26.0)
Disease status at last FU
NED	60	100%
Patients with large NIFTP and at least 4-year FU (n = 49)
RAI
Not available	1	2%
No RAI	25	51%
RAI	23	47%
Surgical procedure
Lobectomy	15	31%
Total/subtotal thyroidectomy	34	69%
FU duration, years, median, mean (range)	7.2, 8.8 (4.0–26.0)
Disease status at last FU
NED	49	100%

^aAll values are expressed as n and % of column total unless otherwise specified.

NIFTP, noninvasive follicular thyroid neoplasm with papillary-like nuclear features; RAI, radioactive iodine; FU, follow-up; NED, no evidence of disease.