Table 1.
General characteristics of the patients and their tumors.
| Characteristic | RCRC | LCRC | TOTAL |
p-Value (LCRC vs. RCRC) * |
|
|---|---|---|---|---|---|
| Cases | 9 | 31 | 40 | 0.000001508 | |
| Gender | Males | 3 | 20 | 23 | 0.1338 |
| Females | 6 | 11 | 17 | 0.1338 | |
| Mean age at diagnosis |
71.22 (range 51–86) years |
61.35 (range 25–82) years |
63.58 (range 25–86) years |
0.06236 | |
| Stage | I | 0 | 2 | 2 | 1 |
| II | 4 | 12 | 16 | 1 | |
| III | 4 | 13 | 17 | 1 | |
| IV | 1 | 4 | 5 | 1 | |
| Histological diagnosis |
Tubular adenocarcinoma | 3 | 15 | 18 | 0.4761 |
| Adenocarcinoma, NOS | 3 | 10 | 13 | N/A | |
| Papillary-tubular adenocarcinoma | 1 | 1 | 2 | 0.4038 | |
| Poorly differentiated with signet-cells carcinoma | 0 | 1 | 1 | 1 | |
| Mucinous adenocarcinoma | 1 | 0 | 1 | 0.225 | |
| Adenocarcinoma mixed tubular and mucinous | 0 | 1 | 1 | 1 | |
| Not specified | 1 | 3 | 4 | N/A | |
| Ethnicity | Chilean | 2 | 9 | 11 | 1 |
| Mapuche | 2 | 3 | 5 | 0.2677 | |
| European | 0 | 1 | 1 | 1 | |
| Not specified | 6 | 17 | 23 | N/A |
* Statistically significant differences are highlighted in bold. Fisher’s exact test.