Table 1.

Demographics of the study participants (clinical characteristics).

Variability	Control	PTC
Gender	21	49
Male	9 (43%)	5 (10%)
Female	12 (57%)	44 (90%)
Age (years)
Median	47	48
Range	29–67	20–76
T&N staging
T1 + T2	—	37 (76%)
T3 + T4	—	12 (24%)
N0	—	28 (57%)
N1	—	13 (27%)
NX	—	8 (16%)