Survival of patients with stomach cancer in Changle city of China

Table 1 Survival rates using life-table method

Time (yr)	Survival rate	95% confidence interval
1	0.542	0.506-0.578
2	0.418	0.382-0.454
3	0.379	0.343-0.416
4	0.340	0.302-0.377
5	0.305	0.265-0.345

Table 2 Total survival rates by stage of cancer

Stage of cancer	Number of patients	Patientsalive (n)	Death patients (n)	Total survival rate (%)
I	120	115	5	95.83
II	120	80	40	66.67
III	121	42	79	34.71
IV	384	35	349	9.11

Table 3 Survival rates using life-table method by stage of cancer

Time (yr)	Stage I or II		Stage III or IV
	Survival rate	95% confidence interval	Survival rate	95% confidence interval
1	1.000	-	0.324	0.283-0.365
2	0.955	0.929-0.982	0.156	0.124-0.189
3	0.899	0.857-0.940	0.122	0.090-0.154
4	0.820	0.763-0.877	0.092	0.057-0.127
5	0.739	0.665-0.813	0.075	0.034-0.117

Table 4 Survival rates of surgical and non-surgical patients using life-table method by surgery

Time (yr)	Operation		No operation
	Survival rate	95% confidence interval	Survival rate	95% confidence interval
1	0.753	0.713-0.793	0.217	0.170-0.265
2	0.639	0.594-0.684	0.074	0.043-0.105
3	0.589	0.541-0.636	0.053	0.024-0.081
4	0.528	0.477-0.580	0.045	0.017-0.073
5	0.478	0.420-0.535	0.025	0.013-0.051

Table 5 Survival rates of surgical and non-surgical patients with stage III or IV stomach cancer using life-table method by surgery for patients

Time (yr)	Operation		No Operation
	Survival rate	95% confidence interval	Survival rate	95% confidence interval
1	0.511	0.446-0.576	0.168	0.124-0.213
2	0.314	0.251-0.376	0.026	0.007-0.046
3	0.252	0.189-0.315	0.000	-
4	0.202	0.130-0.274	0.000	-
5	0.165	0.078-0.253	0.000	-

Table 6 Survival rates using life-table method by the way of operation for patients with stage III or IV stomach cancer

Time (yr)	Total gastrectomy		Partial gastrectomy
	Survival rate	95% confidence interval	Survival rate	95% confidence interval
1	0.536	0.451-0.627	0.571	0.466-0.677
2	0.289	0.207-0.370	0.416	0.306-0.526

Table 7 Average of survival time by the way of operation in the patients with stage III or IV stomach cancer

Way of operation	Number of patients	Average of survival time (mo)	95% confidence interval
Total Gastrectomy	106	19.56	16.408-22.712
Partial Gastrectomy	89	16.42	14.300-18.540
Nonresectional Surgery	20	5.22	3.84-6.60