Prognostic factors of cervical node status in head and neck squamous cell carcinoma

Table 7 Size of lymph node and metastasis in squamous cell carcinoma of lip

	Size of cervical node
	1–3 mm		p value ^a	4–6 mm		p value ^a	7–9 mm		p value ^a	10–30 mm		p value ^a	>30 mm		p value ^a
	+	−		+	−		+	−		+	−		+	−
	4	39		7	43		8	59		26	52		0	0
Clinical staging			0.344			0.492			0.238			0.015			NA
Stage I	0	0		0	0		0	0		0	0		0	0
Stage II	0	14		1	16		1	17		15	15		0	0
Stage III	2	12		3	14		2	23		8	16		0	0
Stage IV	2	13		3	13		5	19		3	21		0	0
Tumor size			0.804			0.832			0.832			0.081			NA
≤ 1.0 cm	0	0		0	0		0	0		0	0
1.1–2.0 cm	0	0		0	0		0	0		0	0		0	0
2.1–3.0 cm	2	14		3	17		3	18		13	15		0	0
3.1–4.0 cm	1	16		2	17		2	21		7	19		0	0
> 4.0 cm	1	9		2	9		3	20		6	24		0	0
Pathologic differentiation			0.776			0.709			0.907			<0.001			NA
Well differentiated	1	14		2	18		3	18		6	27		0	0
Moderately differentiated	2	11		2	14		2	18		4	19		0	0
Poorly differentiated	1	10		2	9		2	11		10	4		0	0
Undifferentiated	0	4		1	2		1	12		6	2		0	0

ISSN: 1477-7819