Surgical treatment and prognosis of gastric cancer in 2613 patients

Table 3 Univariate survival analysis of clinical and patho-logic variables after surgical treatment in 1 498 cases with gastric carcinoma

Parameter	Number	5-yr survival rate (%)	P
Age (yr)
≤ 30	19	21.0	0.05
30 to 60	926	29.2
> 60	553	36.2
Tumor location
C (upper third)	499	22.6	0.001
M (middle third)	312	35.3
A (lower third)	613	40.9
MCA (whole stomach)	74	2.7
Tumor size (cm)
<3	146	53.1	0.047
3 to 6	739	40.9
>6	613	15.3
Histological classification
Well differentiated adenocarcinoma	303	38.3	0.001
Moderately differentiated adenocarcinoma	631	36.7
Mucinous adenocarcinoma	321	28.3
Poorly differentiated adenocarcinoma	159	15.7
Others	84	13.1
Type of operation
DSTG	678	37.2	0.001
TG	466	32.4
PSG	354	20.1
Borrmann’s classification
Type I	103	61.1	0.001
Type II	274	45.2
Type III	964	20.1
Type IV	74	2.7
Early cancer	83	90.0
Type of resection
Radical resection	822	51.2	0.001
Palliative resection	676	7.8
Extent of nodal dissection
D1	120	34.5	0.001
D2 to D2+	641	53.5
D3	61	50.8
Depth of cancer invasion
T1	110	90.4	0.001
T2	263	55.2
T3	742	25.9
T4	383	10.0
Lymph node involvement
N0	157	86.1	0.001
N1	260	58.1
N2	710	23.3
N3	371	5.9