Training set Validation set
Number of patients 14 (paired samples) 8 (unpaired samples)
Median age (year) 49.5 55
Gender    
Female 13 (93%) 7 (88%)
Male 1 (7%) 1 (12%)
Primary tumor location    
Unilateral 10 (71.4%) 8 (100%)
Bilateral 4 (28.6%) 0 (0%)
Surgery    
Total thyroidectomy 13 (93%) 8 (100%)
Lobectomy 1 (7%) 0 (0%)
Pathologic stage,
1 AJCC
   
Age<45
Stage I
T1bN0
T3N1a
Stage III
Age ≥ 45
1 (7.1%)
3 (21.4%)
0
1 (50.0%)
Stage I    
T1aN0 Stage III 3 (21.4%) 0
T3N0 3 (21.4%) 1 (50.0%)
T3N1a 4 (28.6%) 0
1AJCC, American Joint Committee on Cancer (7th Edition)
Table 1: Patient characteristics.