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Table 1 Comparing clinicalpathologic significance of VM and EDV

From: Vasculogenic mimicry contributes to lymph node metastasis of laryngeal squamous cell carcinoma

factor   VM    MVD   
  + - χ 2 P ( ± S) F/t* P
Gender    0.881 0.380   1.228* 0.269
   M 34 118    17.8739 ± 6.82709   
   F 10 42    16.6340 ± 6.08995   
Age    0.370 0.712   0.108* 0.742
   ≥60 22 85    17.4393 ± 6.92216   
   <60 22 74    17.7514 ± 6.57988   
Tobacco use        
   Yes 37 129 0.202 0.653 17.3863 ± 6.67757 0.808* 0.370
   No 7 30    18.4865 ± 6.97671   
Alcohol consumption    0.608 0.436   0.008* 0.927
   Yes 22 69    17.5388 ± 6.43099   
   No 22 90    17.6259 ± 6.99013   
Location    2.213 0.331   3.550 0.031
   Super glottic 24 69    18.2441 ± 7.14615   
   glottic 18 75    16.3786 ± 5.94319   
   subglottic 2 15    20.3667 ± 7.35727   
pTNM    6.570 0.010   7.419* 0.007
   I+II 11 74    16.0306 ± 6.19107   
   III+IV 33 85    18.5977 ± 6.91980   
Tumor size (cm)    0.220 0.639   0.974* 0.325
   ≥3 20 66    18.1306 ± 6.22807   
   >3 24 93    17.1872 ± 7.07416   
T stage    1.278 0.734   3.396 0.019
   T1 6 21    13.8593 ± 5.61853   
   T2 17 76    17.7731 ± 6.43417   
   T3 11 33    17.9143 ± 6.69789   
   T4 10 29    18.8667 ± 7.50099   
Nodal status    9.097 0.003   0.019* 0.892
N-positive (N1, N2, N3) 19 33    17.4769 ± 6.50208   
   N-negative(N0) 25 126    17.6247 ± 6.82606   
Distant metastasis    1.535 0.215   4.077* 0.045
   Yes 2 17    20.4684 ± 6.86740   
   No 42 142    17.2186 ± 6.65992   
Recurrence    0.005 0.994   0.679* 0.498
   Yes 7 26    18.3152 ± 6.59413   
   No 37 133    17.4455 ± 6.76481   
Histopathological grade    15.531 0.000   0.209 0.811
   1 2 28    16.8967 ± 5.69443   
   2 30 119    17.7532 ± 7.12289   
   3 12 12    17.4167 ± 5.42896   
  1. VM: vasculogenic mimicry; EDV: endothelial dependent vessel; LSCC: laryngeal squamous cell carcinoma; TNM: tumor, node, metastasis.