Table 1.

Clinical Information on PTC Patients

Characteristics	Training Set (n = 49)	Testing Set (n = 442)
State
Living	45	431
Dead	4	11
Survival (years)
Mean ± SD	4.22 ± 3.52	2.46 ± 2.37
Gender
Male	14	117
Female	35	325
Age (years)
Mean ± SD	45.29 ± 17.22	47.57 ± 15.72
Stage
I	30	246
II	5	47
III	11	99
IV	3	50
Histological Type
Thyroid papillary carcinoma
Classical/usual	42	313
Tall cell (≥50% tall cell features)	3	33
Follicular (≥99% follicular patterned)	4	96