Table 3.

Three TIRADS risk category of MTCs and PTCs

	TIRADS Category	MTC	PTC	P Value
Kwak-TIRADS				0.000
	3	0	1(0.20%)	0.812
	4 A	8 (6.78%)	3(0.59%)	0.000
	4B	19 (16.10%)	42(8.22%)	0.010
	4 C	90 (76.27%)	392(76.71%)	0.502
	5	1 (0.85%)	73(14.29%)	0.000
C-TIRADS				0.000
	3	3(2.54%)	4(0.78%)	0.126
	4 A	22(19.49%)	25(4.89%)	0.000
	4B	52(46.61%)	139(27.20%)	0.000
	4 C	35(31.36%)	331(64.77%)	0.000
	5	0(0%)	12(2.35%)	0.081
ACR-TIRADS				0.022
	2	2(1.69%)	4(0.78%)	0.314
	3	2(1.69%)	0	0.035
	4	33(27.97%)	140(27.40%)	0.492
	5	81(68.64%)	367(71.82%)	0.281