Skip metastasis in papillary thyroid carcinoma is difficult to predict in clinical practice

BMC Cancer

Table 1 Clinicopathologicial features of all 271 enrolled patients and univariate analyses results (271 patients)

Characteristics		LLNM negative	LLNM positive	Total	Univariate analysis p-value
Gender	Female	55	152	207	0.313
Gender	Male	13	51	64
Age(year)	≤25	2	19	21	0.087
	25–35	8	41	49
	35–45	20	64	84
	45–55	20	49	69
	55–65	10	19	29
	>65	8	11	19
Age(year)	≤45	30	124	154	0.014*
Age(year)	>45	38	79	117
Size(cm)	≤0.5	15	10	25	0.000*
	0.5–1	21	44	65
	1–1.5	12	40	52
	1.5–2	8	32	40
	>2	12	77	89
Tumor Spread	Absent	65	159	224	0.001*
Tumor Spread	Present	3	44	47
Psammoma bodies	Absent	66	195	261	1
Psammoma bodies	Present	2	8	10
Multifocality	Single	61	179	240	0.732
Multifocality	Multi	7	24	31
ETE	None	58	127	185	0.000*
ETE	ETE	10	76	86
Location	Upper	8	99	107	0.000*
	Middle	34	63	97
	Inferior	23	20	43
	Whole	3	21	24
Location Upper	Upper	8	99	107	0.000*
Location Upper	None	60	104	164
CLNM	Absent	50	30	80	0.000*
CLNM	Present	18	173	191

*symbol for p < 0.05; ETE extrathyroid extension, CLNM central lymph node metastases, LLNM lateral lymph node metastasis

ISSN: 1471-2407