Skip to main content
. 2023 Oct 13;21:325. doi: 10.1186/s12957-023-03208-1

Table 3.

Multivariate survival analysis of the patients following operation for gastric cancer before and after PSM

Variable Before PSM After PSM
HR 95%CI P HR 95%CI P
Age (> 60 vs ≤ 60 years) 1.315 1.189–1.455  < 0.001 - - -
Tumor size (> 5 vs ≤ 5 cm) 1.202 1.063–1.361 0.003 1.338 1.016–1.761 0.038
Type of gastrectomy 0.013 - - -
 Proximal vs distal 1.198 1.018–1.411 0.030 - - -
 Total vs distal 1.398 1.115–1.753 0.004 - - -
T stage  < 0.001 - -
 T2 vs T1 1.505 1.171–1.935 0.001 - - -
 T3 vs T1 1.644 1.282–2.108  < 0.001 - - -
 T4a vs T1 2.406 1.906–3.038  < 0.001 - - -
 T4b vs T1 2.670 2.021–3.527  < 0.001 - - -
N stage  < 0.001 - -  < 0.001
 N1 vs N0 1.464 1.215–1.764  < 0.001 3.034 1.272–7.237 0.012
 N2 vs N0 1.911 1.599–2.283  < 0.001 2.683 1.153–6.242 0.022
 N3a vs N0 3.116 2.620–3.707  < 0.001 5.764 2.520–13.186  < 0.001
 N3b vs N0 3.842 3.152–4.682  < 0.001 7.578 3.286–17.472  < 0.001
Chemotherapy (present vs absent) 0.667 0.598–0.745  < 0.001 0.759 0.621–0.929 0.007
TD (presence vs absence) 1.286 1.118–1.478 0.001 1.268 1.057–1.522 0.011

Abbreviations: HR hazard ratio, CI confidence interval, TD tumor deposit, PSM propensity score matching