Biopathologic features and clinical significance of micrometatasis in the lymph node of early gastric cancer

Table 2 Biologic features according to the classification of lymph node metastasis (n = 90)

	Micrometastasis	Macrometastasis	P value
Ki-67 (primary tumor)
Examed tissue	33	51
Positive cell	59.3% ± 24.0%	62.3% ± 20.9%	0.553
TUNEL (primary tumor)
Examed tissue	30	51
Positive cell	2.4% ± 1.7%	4.5% ± 4.4%	0.004
Ki-67 (lymph node)
Examed tissue	33	50
Positive cell	26.7% ± 18.0%	40.5% ± 24.1%	0.004
TUNEL (lymph node)
Examed tissue	25	51
Positive cell	1.0% ± 1.0%	3.0% ± 3.5%	< 0.001

Data are expressed as absolute numbers (percentage) or mean ± SD. TUNEL: Terminal deoxynucleotidyl transferase dUTP nick end labeling.