Table 1. Clinicopathologic features of patients with and without SHLNM.
| SPHLN | ||||
| Parameter | All patients (n = 346) | Non-metastasis (n = 311) | Metastasis (n = 35) | p value |
| Age, yr | ||||
| ≤60 | 155 | 137 | 18 | 0.405 |
| >60 | 191 | 174 | 17 | |
| Sex | ||||
| Male | 267 | 239 | 28 | 0.674 |
| Female | 79 | 72 | 7 | |
| BMI, kg/m2 | ||||
| <25 | 302 | 273 | 29 | 0.407 |
| ≥25 | 44 | 38 | 6 | |
| Histology | ||||
| undifferentiated | 198 | 175 | 23 | 0.529 |
| mix | 66 | 60 | 6 | |
| differentiated | 82 | 76 | 6 | |
| Location | ||||
| Lesser | 256 | 246 | 10 | <0.001 |
| Greater | 22 | 18 | 4 | |
| Anterior | 5 | 3 | 2 | |
| Posterior | 17 | 12 | 5 | |
| Circum | 46 | 32 | 14 | |
| Size (cm) | ||||
| <5.5 | 180 | 174 | 6 | <0.001 |
| ≥5.5 | 166 | 137 | 29 | |
| LVI | ||||
| LVI(−) | 186 | 172 | 14 | 0.540 |
| LVI(+) | 160 | 139 | 21 | |
| CA199(U/mL) | ||||
| ≤37 | 293 | 268 | 25 | 0.043 |
| >37 | 53 | 43 | 10 | |
| Surgery | ||||
| LAPG | 4 | 4 | 0 | 0.500 |
| LATG | 342 | 307 | 35 | |
| UICC(n) | ||||
| IA | 27 | 27 | 0 | <0.001 |
| IB | 18 | 18 | 0 | |
| IIA | 43 | 43 | 0 | |
| IIB | 40 | 40 | 0 | |
| IIIA | 47 | 45 | 2 | |
| IIIB | 71 | 66 | 5 | |
| IIIC | 100 | 72 | 28 | |
| Depth | ||||
| pT1 | 35 | 35 | 0 | <0.001 |
| pT2 | 26 | 26 | 0 | |
| pT3 | 132 | 128 | 4 | |
| pT4 | 153 | 122 | 31 | |
| LNM | ||||
| pN0 | 87 | 87 | 0 | <0.001 |
| pN1 | 51 | 50 | 1 | |
| pN2 | 61 | 56 | 5 | |
| pN3 | 147 | 118 | 29 | |
| Number of SPHLNs | 2.69±2.76 | 2.56±±2.80 | 4.03±2.49 | 0.003 |
| Number of dissection | 41.44±15.45 | 41.55±15.81 | 40.40±11.93 | 0.676 |
| No.1 | 76(346) | 63(311) | 13(35) | 0.022 |
| No.2 | 79(346) | 61(311) | 18(35) | <0.001 |
| No.3 | 235(346) | 202(311) | 33(35) | <0.001 |
| No.4 | 81(346) | 60(311) | 21(35) | <0.001 |
| No.5 | 30(346) | 24(311) | 6(35) | 0.074 |
| No.6 | 48(346) | 38(311) | 10(35) | 0.008 |
| No.7 | 140(346) | 112(311) | 28(35) | 0.001 |
| No.8 | 54(346) | 42(311) | 12(35) | 0.001 |
| No.9 | 86(346) | 69(311) | 17(35) | 0.001 |
| No.11 | 60(346) | 42(311) | 18(35) | <0.001 |
| No.12 | 43(346) | 34(311) | 9(35) | 0.012 |
Circum, includes more than 2 portions and circum patients; BMI, body mass index; LVI, lymphovascular invasion; LNM, lymph nodes metastasis.
No.1(Right cardial), No.2(Left cardial), No.3(LN along the lesser curvature ), No.4(LN along the greater curvature), No.5(Suprapyloric), No.6 (Infrapyloric), No.7(LN along the left gastric artery), No.8(LN along the common hepatic artery), No.9(LN along the celiac artery), No.11(LN along the splenic artery ), No.12(LN in the hepatoduodenal ligament ).