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Table 3 Co-occurrence of adenoma subtypes with SSA/P in patients with conventional adenomas

From: Findings in young adults at colonoscopy from a hospital service database audit

SSA/P co-occurring with…   SSA/P present (n) (%) SSA/P absent (n) (%) P-value*
Any AD <50 years 3/11 27.3 43/474 9.1 0.08
≥50 years 25/55 46.3 452/1523 29.7 0.02
All 28/66 43.1 495/1997 24.8 0.002
Any TA <50 years 3/11 27.3 37/474 7.8 0.05
≥50 years 24/55 44.4 403/1524 26.4 0.008
All 27/66 41.5 440/1998 22.0 0.001
ATA <50 years 1/11 9.1 2/474 0.4 0.07
≥50 years 4/55 7.4 69/1524 4.5 0.32
All 5/66 7.7 71/1998 3.6 0.09
TVA <50 years 0/11 0.0 8/485 1.7 0.99
≥50 years 3/55 5.6 84/1524 5.5 0.99
All 3/66 4.6 92/1998 4.6 0.99
  1. *Comparison of proportions of specified condition present (i.e. SSA/P present among those with any adenoma, any tubular adenoma, an advanced tubular adenoma, or a tubulovillous adenoma) between young adults (<50 years) and older adults (≥50 years) compared to patients with the specified adenoma only
  2. SSA/P sessile serrated adenoma/polyp, Any AD any conventional adenoma, Any TA any tubular adenoma, ATA advanced tubular adenoma (≥10 mm and/or high-grade dysplasia), TVA tubulovillous adenoma
  3. Significant p-values are shown in italics