Table 2.
Factors associated with the location of HP and SSA
| Location | Any part of the colon | Proximal colon | Distal colon | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Variable | SSA(n=80) | HP(n=353) | P value | SSA(n=24) | HP(n=64) | P value | SSA(n=56) | HP(n=289) | P value |
| Gender | |||||||||
| Male | 51 (63.8) | 247 (70.0) | 14 (58.3) | 31 (48.4) | 37 (66.1) | 216 (74.7) | |||
| Female | 29 (36.2) | 106 (30.0) | 0.278 | 10 (41.7) | 33 (51.6) | 0.408 | 19 (33.9) | 73 (25.3) | 0.179 |
| Age (years) | |||||||||
| Mean (SD) | 63.4 (13.1) | 57.0 (12.5) | <0.001 | 67.5 (13.6) | 58.8 (12.4) | 0.006 | 61.7 (12.6) | 56.5 (12.5) | 0.005 |
| Size (mm) | |||||||||
| ≤5 | 36 (45.0) | 263 (74.5) | 8 (33.3) | 30 (46.9) | 28 (50.0) | 234 (81.0) | |||
| >5 | 44 (55.0) | 90 (25.5) | <0.001 | 16 (66.7) | 34 (53.1) | 0.253 | 28 (50.0) | 55 (19.0) | <0.001 |
| Shape | |||||||||
| Protruded | 14 (43.8) | 11 (21.6) | 0 (0.0) | 1 (14.3) | 5 (31.3) | 10 (22.7) | |||
| Flat-type | 18 (56.3) | 40 (78.4) | 1.000 | 6 (100.0) | 6 (85.7) | 1.000 | 11 (78.6) | 34 (77.3) | 0.736 |
| Unknowna | 29 | 302 | 18 | 57 | 40 | 245 | |||
| Number of polyps | |||||||||
| 0~2 | 56 (91.8) | 305 (86.4) | 16 (66.7) | 45 (70.3) | 43 (76.8) | 261 (90.3) | |||
| ≥3 | 5 (8.2) | 48 (13.6) | 0.005 | 8 (33.3) | 19 (29.7) | 0.741 | 13 (23.2) | 28 (9.7) | 0.004 |
Note: All values are expressed as n (%) unless otherwise indicated;
a
Those polyps were excluded in the analysis due to a lack of CSP shapes data in the endoscopic report. HP, hyperplastic polyp;
SSA, sessile serrated adenoma.