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Table 1 CRC characteristics among young and old patients.

From: Family history of colorectal cancer in Iran

Variable Early-onset (n = 112) Late-onset (n = 337) P Value
Sex (M/F) 43/69 138/199 NS††
Tumor Location    
Right 30(26.8%) 62(18.4%) NS
Left 43(38.4%) 134(39.8%) NS
Rectum 36(32.1%) 141(41.8%) NS
NOS 3(2.6%) 0 ___
  1. †Assigns the significance of the differences between two group
  2. †† NS: Not significant
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