Table 2.
Distribution of advanced and nonadvanced diminutive polyps according to patient gender, age, accompanying dysplastic polyp, any other accompanying polyp and localization of all of them together, and polyp localization
| Advanced diminutive polyps | Nonadvanced diminutive polyps | p | |||
|---|---|---|---|---|---|
| Gender | Male, n (%) | 143 (68.75) | 17 (8.17) | 126 (60.57) | 0.099 (Pearson chi-squared test) |
| Female, n (%) | 65 (31.25) | 3 (1.44) | 62 (29.80) | ||
| Age, years (mean ± SD) | 57.93 ± 13.37 | 62.80 ± 12.677 | 57.41 ± 13.37 | 0.087 (Student t test) | |
| ≤40 years | 0 | 26 | 0.077 (Pearson chi-squared test) | ||
| 41–60 years | 7 | 82 | |||
| ≥60 years | 13 | 80 | |||
| Accompanying dysplastic polyp, n (%) | Present | 56 (26.92) | 15 (7.2) | 41 (19.71) | <0.001 (Fisher’s exact test) |
| Not present | 152 (73.07) | 5 (2.4) | 147 (7.67) | ||
| Number of polyps, n (%) | Being a single polyp | 44 (21.15 %) | 1 (0.4 %) | 43 (20.67 %) | 0.047 (Fisher’s exact test) |
| Being one of multiple polyps | 164 (78.84 %) | 19(9.13 %) | 145 (69.71 %) | ||
| Being one of polyps in | <0.001 (Pearson chi-square test) | ||||
| 1–3 | 124 | 4 | 120 | ||
| 4–6 | 66 | 10 | 56 | ||
| ≥7 | 18 | 6 | 12 | ||
| Localization of each polyp, n (%) | Proximal | 79 (37.98) | 8 (38.4) | 71 (34.13) | 0.845 (Pearson chi-squared test) |
| Distal | 129 (62.01) | 12 (5.76) | 117 (56.25) | ||
| Localization of accompanying polyps, n (%) | Proximal | 25 (12.01) | 0 (0) | 25 (12.01) | 0.008 (Pearson chi-squared test) |
| Distal | 93 (44.71) | 5 (2.4) | 88 (42.30) | ||
| Whole colon | 90 (43.26) | 15 (7.21) | 75 (36.05) | ||
| Total, n (%) | 208 | 20 (9.61) | 188 (90.38) | ||