Table 1.

Comparison of Clinicopathological Features

Characteristic	Responder	Nonresponder	p Value
Age (years)*	66.01 ± 9.31	67.05 ± 6.86	0.321
Tumor size			0.098
<4.0 cm	9	19
≥4.0 cm	33	32
Differentiation type			0.778
Highly differentiated	21	27
Poorly differentiated	21	24
Lymph node metastasis			0.311
Positive	12	10
Negative	30	41
Pathological stage			0.077
cII	18	13
cIII	24	38

^*Values are mean ± standard deviation (range).