Table 4.

Papillary thyroid carcinoma properties based on worst preceding FNA diagnosis.

	Malignant	Suspicious for malignancy	Follicular Neoplasm	AUS
Gender*
Male: Female	41:147	32:150	9:43	13:39
Age (years)*
≤45	85 (45.2)	72 (39.6)	18 (34.6)	16 (30.8)
>45	103 (54.8)	110 (60.4)	34 (65.4)	36 (69.2)
Mean Tumor Size (cm ±SD)¶	1.9±1.1	2.0±1.3	2.5±1.6	2.1±1.3
Tumor Stageˆ
T1	83 (44.1)	106 (58.2)	23 (44.2)	35 (67.3)
T1a	25 (30.1)	39 (36.8)	5 (21.7)	11 (31.4)
T1b	58 (69.9)	67 (63.2)	18 (78.3)	24 (68.6)
T2	39 (20.7)	54 (29.7)	23 (44.2)	12 (23.1)
T3	62 (33.0)	19 (10.4)	6 (11.5)	5 (9.6)
T4	4 (2.1)	3 (1.6)	0 (0.0)	0 (0.0)
Lymph Node Metastasis#
N1	64 (34.0)	9 (4.9)	1 (1.9)	1 (1.9)
N0	78 (41.5)	96 (52.7)	21 (40.4)	26 (50.0)
NX	46 (24.5)	77 (42.3)	30 (57.7)	25 (48.1)
Distant Metastasis (time of surgery)*
M1	2 (1.1)	0 (0.0)	0 (0.0)	0 (0.0)
MX	186 (98.9)	182 (100)	52 (100)	52 (100)
Lymphovascular Invasion#
Present	93 (49.5)	26 (14.3)	8 (15.4)	1 (1.9)
Absent	95 (50.5)	156 (85.7)	44 (84.6)	51 (98.1)
Extrathyroidal Extension#
Present	63 (33.5)	10 (5.5)	0 (0.0)	1 (1.9)
Absent	125 (66.5)	172 (94.5)	52 (100)	51 (98.1)
Multifocal Disease*
Present	119 (63.3)	96 (52.7)	25 (48.1)	29 (55.8)
Absent	69 (36.7)	86 (47.3)	27 (51.9)	23 (44.2)
Local Recurrence or Late Metastasis§
Yes	16 (8.5)	0 (0.0)	0 (0.0)	0 (0.0)
No	172 (91.5)	182 (100)	52 (100)	52 (100)
Totals	188 (100)	182 (100)	52 (100)	52 (100)

Abbreviations: SD – Standard deviation

Values expressed as number with percent of total following in parentheses.

^*Not significant.

^¶P<0.04.

Post hoc pairwise comparison: FOL v M: P<0.02; all others NS.

^ˆP<0.001.

Post hoc pairwise comparison: AUS v M: P=0.001, SUS v M: P<0.001; all others NS.

^#P<0.001.

Post hoc pairwise comparison: AUS v M: P<0.001, FOL v M: P<0.001, SUS v M: P<0.001; all others NS.

^§P<0.001.

Post hoc pairwise comparison: AUS v M: P<0.02, FOL v M: P<0.02, SUS v M: P<0.001; all others NS.