Demographic characteristics of patients and details on their ND-SPs
| SSA//P/L-SCRC (n=24) | SSA/P/L (n=15) | BSSA/P/L-SCRC (n=17) | BSSA/P/L (n=10) | HP-SCRC (n=11) | HP (n=10) | |
|---|---|---|---|---|---|---|
| Female n (%) | 11 (45.8) | 7 (46.7) | 7 (41.2) | 5 (50) | 2 (18.2) | 2 (20) |
| Mean age y (range) | 69.5 (52–89) | 68 (45–89) | 71 (53–90) | 60 (51–73) | 72 (51–87) | 71 (62–86) |
| Right-sided polyp n (%) | 13 (54) | 6 (40) | 3 (13) | 3 (30) | 2 (18) | 1 (10) |
| Polyp size n (%) | ||||||
| <5 mm | 3 (13) | 2 (15) | 2 (11) | 3 (30) | 9 (82) | 9 (100) |
| ≥5 mm | 21 (88) | 11 (85) | 15 (88) | 7 (70) | 2 (18) | 1 |
| NI | 2 | |||||
BSSA/P/L, borderline sessile serrated adenoma/polyp/lesion; HP, hyperplastic polyp; ND-SPs, non-dysplastic serrated polyps; NI, not indicated; SCRC, synchronous colorectal cancer; SSA/P/L, sessile serrated adenoma/polyp/lesion.