Table II.
Basic characteristics of enrolled individuals in testing set.
| Control group (n=34) | GC group (n=36) | |
|---|---|---|
| Clinical parameter | Number of cases | Number of cases |
| Age (years) | ||
| ≤60 | 19 (55.9%) | 11 (30.6%) |
| >60 | 15 (44.1%) | 25 (69.4%) |
| Mean age | 59 | 58 |
| Age range | 36–78 | 36–83 |
| Sex | ||
| Male | 16 (47.1%) | 20 (55.6%) |
| Female | 18 (52.9) | 16 (44.4%) |
| Differentiateda | ||
| PDACb | 6 | |
| MDAC | 12 | |
| WDAC | 1 | |
| Invasion depth | ||
| T1-T2 | 2 | |
| T3-T4 | 7 | |
| Regional lymph nodes | ||
| N0 | 3 | |
| N1-N3 | 6 | |
| Distant metastasis | ||
| Yes | 1 | |
| No | 8 | |
| TNM stagingc | ||
| I | 2 | |
| II–IV | 7 | |
| Size (cm3) | ||
| ≥4 | 16 | |
| <4 | 4 |
a
World Health Organization classification of tumors of the digestive system (17).
b
Mucinous carcinoma and poorly differentiated adenocarcinoma were classified into a group due to the analogously poor prognosis.
c
American Joint Committee on Cancer staging system (18). GC, gastric cancer; TNM, Tumor-Node-Metastasis; PDAC, poorly-differentiated adenocarcinoma; MDAC, moderately-differentiated adenocarcinoma; WDAC, well-differentiated adenocarcinoma.