Table 4.

Probability of Death Due to Gastric Cancer by subcategories

	Country
	China		United States
	5-year	95% CI	5-year	95% CI	P-value*
Stage-specific
I	22%	17–27	10%	7–14	<.0001
Including T0	22%	17–27	10%	6–13	<.0001
IA only	7%	1–12	6%	2–10	0.51
II	52%	46–59	40%	31–48	0.001
III	72%	67–77	56%	48–64	0.005
IV	86%	78–93	79%	66–92	0.42
Lymph node status
N0	25%	20–30	14%	11–18	0.0002
N1	61%	56–67	38%	31–45	<.0001
N2	77%	70–83	67%	56–77	0.08
N3	83%	74–92	83%	69–97	0.7
Tumor location
Upper +GE Junction	70%	65–75	35%	29–41	<.0001
Middle	41%	34–48	36%	28–43	0.1
Lower	42%	37–47	24%	18–30	<.0001
Total	100%	61–100	54%	25–83	0.02
Lauren classification
Intestinal	49%	45–53	26%	21–30	<.0001
Diffuse	83%	74–92	40%	33–47	<.0001
Differentiation
Differentiated	49%	44–53	23%	19–28	<.0001
Undifferentiated	58%	53–62	41%	35–46	<.0001
Tumor size
<4	35%	30–40	21%	17–25	<.0001
4–7	62%	58–67	42%	35–49	<.0001
>7	70%	62–79	52%	41–63	0.006
T stage
T1	7%	2–11	8%	4–11	0.82
T2	52%	47–56	30%	23–36	<.0001
T3	67%	62–72	60%	53–67	0.39
T4	79%	65–92	61%	35–86	0.09
Operation
Total Gastrectomy	78%	69–86	45%	36–53	<.0001
Distal Gastrectomy	37%	33–42	24%	19–29	<.0001
Proximal Gastrectomy	66%	61–71	29%	16–42	<.0001
Lymphadenectomy
D1	52%	32–72	25%	16–34	0.004
D2	53%	49–56	33%	29–37	<.0001

^*Gray’s test