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Table 2 Distribution of the number and size of tumor and total tumor volume

From: Prognostic prediction across a gradient of total tumor volume in patients with hepatocellular carcinoma undergoing locoregional therapy

No. of tumors and patients, and total tumor volume (cm3) Maximal tumor diameter (cm) p
  <3 3-6 >6  
One nodule     
   No. of patients 238 148 114  
   Total tumor volume 5 ± 4 44 ± 29 730 ± 692 <0.001a
   (median) (4) (34) (524)  
Two nodules     
   No. of patients 73 45 32  
   Total tumor volume 7 ± 5d 53 ± 29 720 ± 746 <0.001b
   (median) (6) (51) (372)  
Three nodules     
   No. of patients 34 22 10  
   Total tumor volume 7 ± 5e 45 ± 29 472 ± 429 <0.001c
   (median) (6) (33) (278)  
Four or more nodules     
   No. of patients 34 21 15  
   Total tumor volume 10 ± 6f 59 ± 41 937 ± 719  
   (median) (11) (66) (703)  
p <0.001 0.054 0.177  
  1. Kruskal-Wallis test with post-test: a, b and c: p values all <0.05 for pairwise comparison between the 3 groups; d vs e, d vs f and e vs f: p values all >0.05.