Table 1 |
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|
Characteristics of D1, D2, D3 population (n = 567) |
||||
|
Characteristics |
D1 surgery (n = 187) |
D2 surgery (n = 189) |
D3 surgery (n = 191) |
p Value |
|
|
||||
|
Age (years) |
0.899 |
|||
|
Median |
55 |
55 |
54 |
|
|
Sex(%) |
0.758 |
|||
|
Men |
136(73) |
137(73) |
133(70) |
|
|
Women |
51(27) |
52(27) |
58(30) |
|
|
Number of lymph nodes removed |
0.189 |
|||
|
Mean |
21 |
23 |
26 |
|
|
Number of involved lymph nodes |
0.232 |
|||
|
Mean |
3 |
4 |
6 |
|
|
Tumor size(%) |
0.323 |
|||
|
≤5 cm |
125(67) |
121(64) |
113(59) |
|
|
5-7 cm |
32(17) |
40(21) |
50(26) |
|
|
>7 cm |
30(16) |
28(15) |
28(15) |
|
|
Site of tumour(%) |
0.984 |
|||
|
Upper stomach |
44(24) |
39(21) |
42(22) |
|
|
Middle stomach |
43(23) |
50(27) |
45(24) |
|
|
Lower stomach |
88(47) |
87(46) |
90(47) |
|
|
Whole stomach |
12(6) |
13(6) |
14(7) |
|
|
Pathological tumour stage(%) |
0.979 |
|||
|
T1 |
41(22) |
40(21) |
44(23) |
|
|
T2 |
44(24) |
45(24) |
42(22) |
|
|
T3 |
89(48) |
87(46) |
92(48) |
|
|
T4 |
13(6) |
17(9) |
13(7) |
|
|
Clinical node status(%) |
0.729 |
|||
|
Positive |
182(97) |
186(98) |
186(97) |
|
|
Negative |
5(3) |
3(2) |
5(3) |
|
|
Pathological nodal stage(%)* |
||||
|
N0 |
69(37) |
60(32) |
69(36) |
0.500 |
|
N1 |
75(40) |
93(49) |
81(42) |
|
|
N2 |
30(16) |
26(14) |
24(13) |
|
|
N3 |
13(7) |
10(5) |
17(9) |
|
|
Gross type(%) |
0.998 |
|||
|
Borrmann I |
58(31) |
56(30) |
54(28) |
|
|
Borrmann II |
41(22) |
44(23) |
43(23) |
|
|
Borrmann III |
73(39) |
74(39) |
77(40) |
|
|
Borrmann IV |
15(8) |
15(8) |
17(9) |
|
|
Histological type(%) |
0.867 |
|||
|
Differentiated |
99(53) |
88(47) |
82(43) |
|
|
Undifferentiated |
88(47) |
101(53) |
109(57) |
|
|
Curative resection(%) |
174(93) |
181(96) |
181(95) |
0.503 |
|
Type of gastrectomy(%) |
0.440 |
|||
|
Total |
22(12) |
21(11) |
29(15) |
|
|
Subtotal |
165(88) |
168(89) |
162(85) |
|
|
Combined organ resection |
0.283 |
|||
|
Pancreas or spleen |
7(4) |
16(9) |
14(7) |
|
|
Liver or gall |
11(6) |
8(4) |
9(5) |
|
|
Transverse colon |
9(5) |
17(9) |
11(6) |
|
|
Blood transfusion(%) |
100(54) |
104(55) |
111(58) |
0.652 |
|
|
||||
|
*N1 = 1-6 involved nodes; N2 = 7-15 involved nodes; N3, >15 involved nodes. |
||||
|
Zhang et al. BMC Cancer 2010 10:308 doi:10.1186/1471-2407-10-308 |
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