Table 2.

LVD correlates with clinical staging and pathological findings.

N-stage					0.007
N0-1	16 (89%)	20 (61%)	5 (36%)	41
N2-3	2 (11%)	13 (39%)	9 (64%)	24
Total	18	33	14	65
Number of metastatic nodes in neck dissection					0.005
None (0)	3 (75%)	1 (6%)	1 (8%)	5
Single node (1)	1 (25%)	8 (50%)	3 (25%)	12
Multiple nodes (>1)	0	7 (44%)	8 (67%)	15
Total	4	16	12	32
Tumor Grade					0.006
Well differentiated	6 (35%)	8 (33%)	1 (7%)	15
Moderate-Poorly differentiated	11(65%)	24 (67%)	13 (93%)	48
Total	17	32	14	63*

^*Pathological data of two patients were missing