Journal of Jilin University(Medicine Edition) ›› 2025, Vol. 51 ›› Issue (1): 172-181.doi: 10.13481/j.1671-587X.20250121
• Research in clinical medicine • Previous Articles
Xiuzhen WEI1,2,3,Yaling DONG1,2,Zhibo ZHU1,2,Zhengjie ZHANG1,3,Yuanjun TAN2,Jie BAI1,2,Xiayi SU2,Baihong ZHANG2(
)
Received:2024-02-01
Accepted:2024-04-14
Online:2025-01-28
Published:2025-03-06
Contact:
Baihong ZHANG
E-mail:bhzhang@126.com
CLC Number:
Xiuzhen WEI,Yaling DONG,Zhibo ZHU,Zhengjie ZHANG,Yuanjun TAN,Jie BAI,Xiayi SU,Baihong ZHANG. Construction of prediction model for gastric cancer mismatch repair based on preoperative inflammatory indicators and clinicopathological features in gastric cancer patients[J].Journal of Jilin University(Medicine Edition), 2025, 51(1): 172-181.
Tab.2
Clinicopathological features of gastric cancer patients in two groups"
Clinicopathological feature | pMMR (n=221) | dMMR (n=33) | χ2 | P |
|---|---|---|---|---|
Gender Male Female | 172(77.8) 49(22.2) | 26(78.8) 7(21.2) | 0.015 | 0.901 |
Age(year) <60 ≥60 | 119(53.8) 102(46.2) | 11(33.3) 22(66.7) | 4.835 | 0.028 |
Maximum tumor diameter(cm) <4.5 ≥4.5 | 128(57.9) 93(42.1) | 10(30.3) 23(69.7) | 8.825 | 0.003 |
Tumor location Others Gastric antrum | 123(55.7) 98(44.3) | 8(24.2) 25(75.8) | 11.539 | 0.003 |
Mucus component Yes No | 18(8.1) 203(91.9) | 4(12.1) 29(87.9) | 0.181 | 0.670 |
Differentiation Low High/Moderate | 154(69.7) 67(30.3) | 15(45.5) 18(54.5) | 7.570 | 0.006 |
T stage T1-T2 T3-T4 | 55(24.9) 166(75.1) | 7(21.2) 26(78.8) | 0.210 | 0.647 |
N stage N0 N1-N3 | 80(36.2) 141(63.8) | 14(42.4) 19(57.6) | 0.477 | 0.490 |
M stage M0 M1 | 208(94.1) 13(5.9) | 32(97.0) 1(3.0) | 0.068 | 0.794 |
TNM stage Ⅰ-Ⅱ Ⅲ-Ⅳ | 104(47.1) 117(52.9) | 15(45.5) 18(54.5) | 0.030 | 0.863 |
Lymph-vascular invasion Yes No | 88(39.8) 133(60.2) | 17(51.5) 16(48.5) | 1.620 | 0.203 |
Perineural invasion Yes No | 47(21.3) 174(78.7) | 4(12.1) 29(87.9) | 1.497 | 0.221 |
Ki-67 <70% ≥70% | 189(85.5) 32(14.5) | 24(72.7) 9(27.3) | 3.472 | 0.062 |
Lymph node metastasis ratio <0.69% ≥0.69% | 203(91.9) 18(8.1) | 29(87.9) 4(12.1) | 0.181 | 0.670 |
Number of positive lymph node <4 ≥4 | 137(62.0) 84(38.0) | 25(75.8) 8(24.2) | 2.356 | 0.125 |
Number of lymph node yields <22 ≥22 | 143(64.7) 78(35.3) | 17(51.5) 16(48.5) | 2.143 | 0.143 |
CEA Negative Positive | 173(78.3) 48(21.7) | 29(87.9) 4(12.1) | 1.630 | 0.202 |
CA199 Negative Positive | 163(73.8) 58(26.2) | 29(87.9) 4(12.1) | 3.100 | 0.078 |
Tab.3
Inflammatory indicators of gastric cancer patients in two groups"
| Inflammatory indicator | pMMR (n=221) | dMMR (n=33) | χ2 | P |
|---|---|---|---|---|
WBC (×109 L-1) <6.30 ≥6.30 | 153 (69.2) 68 (30.8) | 20 (60.6) 13 (39.4) | 0.983 | 0.321 |
Neutrophils(×109 L-1) <3.28 ≥3.28 | 114 (51.6) 107 (48.4) | 14 (42.4) 19 (57.6) | 0.964 | 0.326 |
Lymphocytes(×109 L-1) <0.53 ≥0.53 | 12 (5.4) 209(94.6) | 0(0) 33(100.0) | 0.868 | 0.352 |
Monocytes(×109 L-1) <0.40 ≥0.40 | 158(71.5) 63(28.5) | 20(60.6) 13(39.4) | 1.623 | 0.203 |
PLT (×109 L-1) <236.5 ≥236.5 | 155 (70.1) 66 (29.9) | 18 (54.5) 15 (45.5) | 3.213 | 0.073 |
NLR <2.95 ≥2.95 | 142(64.3) 79(35.7) | 16(48.5) 17(51.5) | 3.037 | 0.081 |
PLR <275.65 ≥275.65 | 196(88.7) 25(11.3) | 24(72.7) 9(27.3) | 6.309 | 0.012 |
LMR <1.29 ≥1.29 | 7(3.2) 214(96.8) | 0(0) 33(100.0) | 0.218 | 0.641 |
SII <386.91 ≥386.91 | 84(38.0) 137(62.0) | 7(21.2) 26(78.8) | 3.523 | 0.061 |
NPS <0.01 ≥0.01 | 45(20.4) 176(79.6) | 7(21.2) 26(78.8) | 0.013 | 0.910 |
AL[ρB/(g·L-1)] <46.65 ≥46.65 | 211(95.5) 10(4.5) | 31(93.9) 2(6.1) | 0.150 | 0.698 |
γGGT[ρB/(U·L-1)] <14.5 ≥14.5 | 100(45.2) 121(54.8) | 10(30.3) 23(69.7) | 2.612 | 0.106 |
AKP[ρB/(U·L-1)] <89.5 ≥89.5 | 128(57.9) 93(42.1) | 13(39.4) 20(60.6) | 3.990 | 0.046 |
AAR <1.86 ≥1.86 | 115(52.0) 106(48.0) | 10(30.3) 23(69.7) | 5.426 | 0.020 |
GPR <0.05 ≥0.05 | 50(22.6) 171(77.4) | 5(15.2) 28(84.8) | 0.945 | 0.331 |
D-D[ρB/(mg·L-1)] <0.87 ≥0.87 | 169(76.5) 52(23.5) | 19(57.6) 14(42.4) | 5.330 | 0.021 |
FB [ρB/(g·L-1)] <3.44 ≥3.44 | 165(74.7) 56(25.3) | 16(48.5) 17(51.5) | 9.606 | 0.002 |
FLR <2.07 ≥2.07 | 118(53.4) 103(46.6) | 8(24.2) 25(75.8) | 9.761 | 0.002 |
FAR <0.09 ≥0.09 | 167(75.6) 54(24.4) | 15(45.5) 18(54.5) | 12.817 | <0.001 |
Tab.4
Assignment table of independent variables"
| Independent variable | Assignment method |
|---|---|
| Region(Gastric antrum) | Others=0, Gastric antrum=1 |
| Differentiation(High/Moderate) | Low=0, High/Moderate=1 |
| CA199(Positive) | Negative=0, Positive=1 |
| Age(≥60 years) | <60 years=0, ≥60 years=1 |
| Maximum tumor diameter(≥4.5 cm) | <4.5 cm=0, ≥4.5 cm=1 |
| AKP(≥89.5 U·L-1) | <89.5 U·L-1=0, ≥89.5 U·L-1=1 |
| FAR(≥0.09) | <0.09=0, ≥0.09=1 |
Tab.5
Multivariate Logistic regression analysis on influencing factors for MMR status"
| Predictor variable | β | SE | Wald χ2 | OR | 95%CI | P | |
|---|---|---|---|---|---|---|---|
| Lower limit | Upper limit | ||||||
| Region (Gastric antrum) | 1.389 | 0.470 | 8.723 | 4.013 | 1.596 | 10.089 | 0.003 |
| Differentiation (High/Moderate) | 1.101 | 0.448 | 6.044 | 3.006 | 1.250 | 7.230 | 0.014 |
| CA199 (Positive) | -1.277 | 0.614 | 4.327 | 0.279 | 0.084 | 0.929 | 0.038 |
| Age(≥60 year) | 0.807 | 0.449 | 3.222 | 2.241 | 0.929 | 5.406 | 0.073 |
| Maximum tumor diameter(≥4.5 cm) | 1.085 | 0.462 | 5.515 | 2.958 | 1.196 | 7.314 | 0.019 |
| AKP(≥89.5 U·L-1) | 0.793 | 0.427 | 3.456 | 2.211 | 0.958 | 5.102 | 0.063 |
| FAR(≥0.09) | 1.027 | 0.440 | 5.449 | 2.793 | 1.179 | 6.616 | 0.020 |
| Constant | -4.833 | 0.692 | 48.736 | 0.008 | — | — | <0.001 |
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