Table 3.
Clinicopathological characteristics (location) of the colorectal neoplasms.
| Characteristic | Control group (n = 502) | Periodontitis group (n = 76) | P value* |
|---|---|---|---|
| Location 1 | |||
| Presence of CRNs in cecum | 0.618 | ||
| Yes | 32 (6.4%) | 6 (7.9%) | |
| No | 470 (93.6%) | 70 (92.1%) | |
| Presence of CRNs in proximal AC | <0.001 | ||
| Yes | 36 (7.2%) | 23 (30.3%) | |
| No | 466 (92.8%) | 53 (69.7%) | |
| Presence of CRNs in distal AC | 0.032 | ||
| Yes | 80 (15.9%) | 5 (6.6%) | |
| No | 422 (84.1%) | 71 (93.4%) | |
| Presence of CRNs in HF | 0.440 | ||
| Yes | 34 (6.8%) | 7 (9.2%) | |
| No | 468 (93.2%) | 69 (90.8%) | |
| Presence of CRNs in TC | 0.026 | ||
| Yes | 130 (25.9%) | 29 (38.2%) | |
| No | 372 (74.1%) | 47 (61.8%) | |
| Presence of CRNs in SF | 0.131 | ||
| Yes | 0 (0.0%) | 1 (1.3%) | |
| No | 502 (100.0%) | 75 (98.7%) | |
| Presence of CRNs in DC to rectum | 0.174 | ||
| Yes | 299 (59.6%) | 39 (51.3%) | |
| No | 203 (40.4%) | 37 (48.7%) | |
| Location 2 | |||
| Presence of CRNs in proximal colon | 0.013 | ||
| Yes | 281 (56.0%) | 54 (71.1%) | |
| No | 221 (44.0%) | 22 (28.9%) | |
| Presence of CRNs in more proximal colon | 0.029 | ||
| Yes | 167 (33.3%) | 35 (46.1%) | |
| No | 335 (66.7%) | 41 (53.9%) | |
| Presence of CRNs in most proximal colon | <0.001 | ||
| Yes | 66 (13.1%) | 26 (34.2%) | |
| No | 436 (86.9%) | 50 (65.8%) | |
Variables shown are numbers (percentages). *Differences in the categorical variables between the groups were analyzed using Chi-square test or Fisher’s exact test. Abbreviations: CRNs, colorectal neoplasms; Proximal AC, Proximal half of the ascending colon; Distal AC, Distal half of the ascending colon; HF, Hepatic flexure; TC, Transverse colon; SF, Splenic flexure; DC, Descending colon.