Table 2.

Numbers and concordance of hot and green nodes

	Submucosal injection	Subserosal injection	p value
H & G*	4 ± 3 (4 ± 3)	4 ± 3 (4 ± 2)	p = 0.78 (0.91)
H & NG*	2 ± 3 (2 ± 3)	1 ± 2 (1 ± 2)	p = 0.45 (0.57)
C & G*	2 ± 2 (3 ± 3)	3 ± 4 (2 ± 4)	p = 0.95 (0.37)
Concordance of HN and GN	45 ± 27% (45 ± 27%)	48 ± 30% (48 ± 30%)	p = 0.42 (0.33)
GNs median, range*	5, 0–16 (5, 0–16)	6, 1–17 (6, 1–17)	p = 0.55 (0.81)
N2 distribution rate≦	24% (21%)	30% (25%)	p = 0.62 (1)

Mean ± SD

H & G: hot and green nodes. H & NG: hot and non-green nodes. C & G: cold and green nodes. GNs: green nodes.

*Figures are numbers of hot and/or green nodes detected.

Data for the patients with T1 tumors are shown in parentheses