Impact of lymph node micrometastasis on gastric carcinoma prognosis: A meta-analysis

Table 3 Lymph node micrometastasis positive vs negative groups

Ref.	Sample(positive vs negative)	Patients who died in 5 yr(positive vs negative)	P value
Cai et al[18], 2000	69 (17 vs 52)	3/17 vs 0/52	< 0.01
Fukagawa et al[19], 2001	107 (38 vs 69)	2/38 vs 8/69	0.860
Choi et al[20], 2002	88 (28 vs 60)	2/28 vs 3/60	0.683
Lee et al[21], 2002	153 (75 vs 78)	Total: 38/75 vs 19/78; EGC: 2/12 vs 0/34; AGC: 36/63 vs 19/44	< 0.05
Yasuda et al[22], 2002	64 (20 vs 44)	7/20 vs 2/44	< 0.1
Morgagni et al[23], 2003	300 (30 vs 270)	2/30 vs 30/270	0.779
Yonemura et al[24], 2007	308 (37 vs 271)	5/37 vs 16/271	0.014
Kim et al[25], 2008	184 (31 vs 153)	13/31 vs 13/1531	< 0.001
Ishii et al[26], 2008	35 (4 vs 31)	-	-
Kim et al[27], 2009	90 (9 vs 81)	0/9 vs 0/812	-
Wang et al[28], 2011	191 (54 vs 137)	39/54 vs 18/137	< 0.001
Jeuck et al[29], 2014	95 (16 vs 79)	6/16 vs 21/79	0.026

¹Median survival 17 mo, 95%CI: 7-28 for micrometastasis positive, and median survival not reached, 95%CI: 6-121 mo for micrometastasis negative;

²Disease-specific survival. EGC: Early gastric cancer; AGC: Advanced gastric cancer.