The Characteristics, Prognosis, and Risk Factors of Lymph Node Metastasis in Early Gastric Cancer

Table 1

Clinical characteristics of the included patients.

	Total () (%)	LNM (−) () (%)	LNM (+) () (%)	value
Mean ages (years ± Sd)	59.65 ± 11.09	60.23 ± 10.88	55.50 ± 11.10	<0.001
≦40	57 (5.7%)	40 (4.5%)	17 (13.8%)
40–49	139 (13.8%)	116 (13.2%)	23 (18.7%)
50–59	311 (31.0%)	276 (31.3%)	35 (28.5%)
≧60	497 (49.6%)	449 (51.0%)	48 (39.0%)
Male/female	720/284	651/230	69/54	<0.001
H. pylori infection	783 (78.0%)	652 (74.9%)	97 (78.9%)	<0.001