Table 2.

Characteristics of patients with metachronous adenomas at end-point colonoscopy

CharacteristicGTE groupControl groupP
Total no. of patients6065
No. of patients with metachronous adenomas (%)9 (15)20 (31)<0.05*
Sex (male/female)6/314/6NS*
Age (y), median (range)62 (38-71)59 (38-74)NS
No. of metachronous adenomas/person, median (range), mean ± SD1 (1-2), 1.3 ± 0.51 (1-4), 1.5 ± 1.0NS
Size of relapsed adenomas (mm), median (range), mean ± SD3 (2-4), 3.0 ± 1.04 (2-10), 4.0 ± 1.3<0.001
No. of adenomas with high-grade dysplasia (%)0 (0)1 (4)NS*
  • * χ2 test.

  • Kruskal-Wallis test.