Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Gastroenterol. Jul 21, 2022; 28(27): 3476-3487
Published online Jul 21, 2022. doi: 10.3748/wjg.v28.i27.3476
Table 2 Univariate and multivariate regression analysis of prognostic factors in patients before and after propensity scores matching
Risk factors
Before PSM
After PSM
Univariate analysis, HR (95%CI)
Univariate analysis, P value
Multivariate analysis, HR (95%CI)
Multivariate analysis, P value
Univariate analysis, HR (95%CI)
Univariate analysis, P value
Multivariate analysis, HR (95%CI)
Multivariate analysis, P value
Age1.009 (0.987-1.030)0.431NS1.006 (0.984-1.027)0.607NS
Sex: Male vs female0.639 (0.386-1.056)0.081NS0.711 (0.429-1.179)0.186NS
Tumor site: Stomach vs non-stomach2.273 (1.377-3.752)0.001a2.979 (1.716-5.171)< 0.001a1.702 (1.028-2.818)0.039a2.865 (1.631-5.032)< 0.001a
Tumor size in cm: ≤ 2/2.1-5.0/5.1-10.0/> 10.02.629 (1.948-3.548)< 0.001a1.070 (1.032-1.109)0.001a1.086 (1.056-1.116)< 0.001a1.068 (1.029-1.107)< 0.001a
Mitotic index as/50 HPF: ≤ 5/6-10/> 10/unknown2.071 (1.686-2.545)< 0.001a< 0.001a< 0.001a0.001a
≤ 5 vs 6-105.659 (2.151-14.887)0.002a5.442 (2.067-14.323)0.001a5.444 (1.955-15.162)0.001a
≤ 5 vs > 108.259 (3.140-21.720)< 0.001a14.722 (6.037-35.904)< 0.001a7.675 (2.759-21.348)< 0.001a
≤ 5 vs unknown5.299 (2.041-13.757)< 0.001a9.851 (3.843-25.251)< 0.001a5.107 (1.873-13.923)0.001a
CD117: +/-1.231 (0.300-5.059)0.773NA1.291 (0.314-5.313)0.723-NA
DOG1: +/-/unknown1.464 (0.773-2.774)0.242NA1.626 (0.853-3.102)0.140-NA
Ki67: ≤ 10/> 10/unknown1.919 (1.453-2.533)< 0.001a0.001a< 0.001a0.001a
< 10 vs ≤ 103.579 (1.771-7.233)< 0.001a8.625 (4.750-15.660)< 0.001a3.710 (1.811-7.599)< 0.001a
Unknown vs ≤ 102.844 (1.290-6.270)0.024a3.310 (1.528-7.169)0.002a3.050 (1.365-6.816)0.007
Histologic subtypes: Spindle/epithelioid/mixed1.361 (0.981-1.889)0.065NS1.236 (0.891-1.715)0.204-NA
NIH risk category: Very low/low/intermediate/high3.218 (2.180-4.751)< 0.001aNS2.892 (1.865-4.484)< 0.001a-NS
Adjuvant therapy: Yes/no1.289 (0.768-2.162)0.3360.445 (0.257-0.769)0.004a0.923 (0.549-1.551)0.7610.003a
NLR: < 2.60/≥ 2.602.025 (1.229-3.337)0.006aNS1.746 (1.055-2.890)0.030aNS
PLR: < 134.8/≥ 134.82.925 (1.673-5.112)< 0.001aNS1.991 (1.137-3.486)0.016aNS
LMR: < 4.0/≥ 4.01.296 (0.777-2.163)0.321NA1.088 (0.650-1.821)0.749-NA
PNI: < 48.6/≥ 48.60.291 (0.171-0.496)< 0.001aNS1.991 (1.137-3.486)0.016aNS
HALP: < 31.5/≥ 31.50.341 (0.197-0.590)< 0.001a0.506 (0.291-0.879)0.016a0.457 (0.265-0.785)0.005a0.558 (0.319-0.976)0.041a