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Table 1 Clinical features of included patients

From: Bioinformatics analysis reveals immune prognostic markers for overall survival of colorectal cancer patients: a novel machine learning survival predictive system

  TCGA GSE39582 P value
Number (n) 428 556  
Death [n(%)] 98(22.9) 187(33.6)  < 0.001
Total survival time (mean ± SD, month) 29.8 ± 25.6 57.5 ± 38.3  < 0.001
Survival time for dead patients (month) 23.3 ± 22.7 37.4 ± 28.9  < 0.001
Survival time for living patients (month) 31.7 ± 26.1 67.6 ± 38.4  < 0.001
Age (mean ± SD, year) 66.5 ± 13.0 66.7 ± 13.3 0.825
Male [(n)%] 230(53.7) 306(55.0) 0.686
Stage 4 [n(%)] 60(14.0) 59(10.6)  < 0.001
Stage 3 [n(%)] 124(28.9) 203(36.5)  
Stage 2 [n(%)] 163(38.1) 258(46.4)  
Stage 1 [n(%)] 70(16.4) 31(5.6)  
Stage (NA) [n(%)] 11(2.6) 4(0.7)  
AJCC PT (T4) [n(%)] 51(11.9) 117(21.0)  < 0.001
AJCC PT (T3) [n(%)] 294(68.7) 360(64.7)  
AJCC PT (T2) [n(%)] 72(16.8) 43(7.7)  
AJCC PT (T1) [n(%)] 11(2.6) 12(2.2)  
AJCC PT (NA) [n(%)] 0 24(4.3)  
AJCC PN (N2) [n(%)] 76(17.8) 104(18.7)  < 0.001
AJCC PN (N1) [n(%)] 103(24.1) 131(23.6)  
AJCC PN (N0) [n(%)] 249(58.2) 294(52.9)  
AJCC PN (NA) [n(%)] 0 27(4.9)  
AJCC PM (M1) [n(%)] 107(25.0) 60(10.8)  < 0.001
AJCC PM (M0) [n(%)] 315(73.6) 473(85.1)  
AJCC PM (NA) [n(%)] 6(1.4) 23(4.1)  
Lymphovascular invasion (yes/no/NA) 148/237/43 NA  
Vascular invasion (yes/no/NA) 89/281/58 NA  
Residual tumor (3/2/1/0/NA) 23/21/4/307/73 NA  
Perineural invasion (yes/no/NA) 45/126/257 NA  
  1. Continuous variables were presented as mean ± standard deviation
  2. Continuous variables were compared by t-test or the Kruskal–Wallis H test. Categorical variables were compared by the chi-squared test or Fisher’s exact test
  3. NA, missing data; AJCC, American Joint Committee on Cancer