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. 2025 Jul 28;16(11):3473–3484. doi: 10.7150/jca.114975

Table 3.

Cox regression analysis of OS in patients with AGC treated with PD-1 inhibitors after propensity score matching

Univariate Multivariate
HR1 (95% CI)1 P value HR1 (95% CI)1 P value
Gender
Male 1 (Reference)
Female 1.040 (0.484-2.235) 0.919 - -
Age
≤65 1 (Reference)
>65 0.689 (0.370-1.285) 0.239 - -
ECOG PS
≤1 1 (Reference)
≥2 2.092 (0.646-6.772) 0.208 - -
Peritoneum metastasis
Negative 1 (Reference)
Positive 2.180 (1.176-4.043) 0.011 1.484 (0.724-3.043) 0.281
Liver metastasis
Negative 1 (Reference)
Positive 0.811 (0.461-1.427) 0.468 - -
Lung metastasis
Negative 1 (Reference)
Positive 0.897 (0.420-1.918) 0.779 - -
Lymph node metastasis
Negative 1 (Reference)
Positive 1.273 (0.724-2.238) 0.402 - -
Metastasis sites
≤2 1 (Reference)
≥3 2.863 (1.549-5.293) <0.001 2.978 (1.587-5.587) 0.001
Treatment lines
≤2 1 (Reference)
≥3 1.691 (0.881-3.247) 0.110 2.010 (1.019-3.963) 0.044
Treatment types 0.319
Chemotherapy+targeted therapy 1 (Reference)
Chemotherapy 0.858 (0.446-1.647) 0.644 - -
Others 1.689 (0.640-4.459) 0.290 - -
HSP90α
≤82 1 (Reference)
>82 1.704 (0.967-3.004) 0.062 1.977 (1.099-3.559) 0.023
HER-2
Negative/Unknown 1 (Reference)
Positive 0.501 (0.180-1.394) 0.177 0.565 (0.201-1.590) 0.280
NLR
≤3 1 (Reference)
>3 1.762 (1.000-3.105) 0.047 1.888 (1.061-3.358) 0.031

1HR = Hazard Ratio, CI = Confidence Interval