Research Article

Nomogram Based on Systemic Immune-Inflammation Index to Predict Overall Survival in Gastric Cancer Patients

Table 2

Baseline characteristics for patients with versus in primary and validation cohorts.

Clinical parameterPrimary cohortValidation cohort
(356) (332) (90) (84)

Sex0.750.3860.070.79
 Male2492226764
 Female1071102320
Age0.550.4570.010.932
 ≤602352285350
 >601211043734
Tumor location16.51<0.0011.350.51
 Upper36701711
 Middle1421252528
 Lower1781374845
Histological grade31.85<0.0018.100.004
 Well or moderately differentiated1532146139
 Poorly or not differentiated2031182945
Lauren type2.150.3413.050.218
 Diffuse65501717
 Intestinal1611673441
 Mixed1301153926
Tumor size55.11<0.00113.50<0.001
 ≤52121044527
 >51442283567
Lymphovascular invasion1.390.2380.020.896
 No2572265754
 Yes991063330
Perineural invasion6.200.0130.090.766
 No2191736458
 Yes1371592626
TNM stage (AJCC, 8th)83.59<0.00113.990.001
 I119642617
 II146693553
 III91199934
Adjuvant chemotherapy0.840.361.550.213
 No1441233626
 Yes2122095458
NLR140.83<0.00148.38<0.001
268100516
882323978
PLR123.64<0.001103.24<0.001
212608212
144272872
MLR38.74<0.00121.60<0.001
2261327846
1302001238