Retrospective Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. May 14, 2020; 26(18): 2232-2246
Published online May 14, 2020. doi: 10.3748/wjg.v26.i18.2232
Table 4 Analysis of the risk factors associated with overall survival in patients who underwent distal gastrectomy using the Cox proportional hazard model
Univariate
Multivariate
HR (95%CI)P valueHR (95%CI)P value
Age1.04 (1.03-1.05)< 0.0011.04 (1.03-1.05)< 0.001
Female sex0.89 (0.69-1.15)0.367
BMI0.94 (0.90-0.98)0.002
Tumor location
Upper 1/3Ref.
Mid 1/33.11 (0.43-22.4)0.260
Lower 1/33.54 (0.50-25.2)0.208
Reconstruction
Billroth IRef.Ref.
Billroth II1.66 (1.26-2.20)< 0.0011.40 (1.04-1.87)0.025
RYGJ1.34 (0.96-1.86)0.0831.45 (1.04-2.03)0.030
Tumor size1.11 (1.06-1.16)< 0.001
Borrmann type IV0.96 (0.48-1.94)0.914
CLN0.99 (0.98-1.00)0.0450.99 (0.98-1.00)0.034
T stage
T2Ref.Ref.
T31.36 (1.01-1.83)0.0441.08 (0.79-1.48)0.612
T43.02 (2.24-4.06)< 0.0011.90 (1.38-2.62)< 0.001
N stage
N0Ref.Ref.
N11.07 (0.73-1.56)0.7390.92 (0.63-1.36)0.686
N22.33 (1.67-3.25)< 0.0012.06 (1.46-2.90)< 0.001
N33.74 (2.77-5.05)< 0.0013.10 (2.25-4.28)< 0.001
Diffuse type histology1.00 (0.79-1.25)0.967
LVi1.82 (1.44-2.29)< 0.001
PNi1.32 (1.06-1.66)0.015
PRM (cm)
0-1.0Ref.
1.1-3.00.57 (0.27-1.19)0.134
3.1-5.00.59 (0.29-1.23)0.162
> 5.00.61 (0.30-1.25)0.175