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. 2019 Nov 25;7(12):E1646–E1651. doi: 10.1055/a-0990-9035

Table 1. Comparison of lesions located on the ileocecal valve (ICV) and away from the valve (non-ICV).

Individuals with ICV polyps (≥ 20 mm) Individuals with non-ICV polyps (≥ 20 mm) P value
Total patients 118 1033
Total polyps 118 1188
Male 65 (55.1) 539 (52.2) 0.549
Female 53 (44.9) 494 (47.8)
Age (mean) at initial procedure 69.3 65.7 < 0.001
Min age at initial procedure 41 24
Max age at initial procedure 90 90
Polyp size
  • Mean size of polyp (mm)

28.7 32.0 0.008
  • Median size of polyp (mm)

30 30
  • Min size of polyp (mm)

20 20
  • Max size of polyp (mm)

70 150
Polyp histology n = 118 n = 1188 0.153
Tubular adenoma 44 (37.3) 469 (39.5)
Tubulovillous adenoma 53 (44.9) 428 (36.0)
Villous 4 (3.4) 32 (2.7)
Hyperplastic 5 (4.2) 32 (2.7)
Sessile serrated adenoma 7 (5.9) 163 (13.7)
Carcinoma 1 (0.8) 25 (2.1)
No biopsy taken or available 4 (3.4) 39 (3.3)
Polyps referred to surgery 18 (15.3) 97 (8.2) < 0.001
Conservative management 10 (8.5) 6 (0.5) < 0.001
EMR completed 90 (76.3) 1085 (91.3) < 0.001

ICV, ileocecal valve; EMR, endoscopic mucosal resection