Table 1.

Base-line characteristics of the patients

CharacteristicGTE groupControl groupP
No. of patients6065
Sex (male/female)40/2041/24NS*
Age (y), median (range)62 (39-79)63 (38-72)NS
No. of removed adenomas at the 1st colonoscopy/person, median (range)2 (1-5)2 (1-5)NS
Size of adenomas (mm), median (range)6 (2-16)5 (2-12)NS
No. of adenomas with high-grade dysplasia (%)10 (9)14 (13)NS*
  • Abbreviation: NS, not significant (P > 0.05).

  • * χ2 test.

  • Kruskal-Wallis test.