Table 1.
Demographic characteristics of the study population
| Characteristics | Gastric Cancer (%) (n=31) | Gastritis (%) (n=58) | Controls (%) (n=46) | P values | |
|---|---|---|---|---|---|
| Gastric Cancer vs. Controls | Gastritis vs. Controls | ||||
| Age range | |||||
| Mean ± SD | 59.4 ± 11.6 | 56.5 ± 9.4 | 52.9 ± 12.2 | 0.027 | 0.144 |
| Gender | |||||
| Male | 67.9 | 51.4 | 26.7 | 0.001 | 0.025 |
| Female | 32.1 | 48.6 | 73.3 | ||
| Ethnicity | |||||
| Fars | 19.2 | 27 | 57.8 | 0.001 | 0.007 |
| Non-Fars | 80.8 | 73 | 42.2 | ||
| Inflammation (Grade) | |||||
| 0 | - | 2.7 | - | - | - |
| I | - | 43.2 | - | ||
| II | - | 21.6 | - | ||
| III | - | 18.9 | - | ||
| IV | - | 13.5 | - | ||
| Atrophy (Stage) | |||||
| 0 | - | 59.5 | - | - | - |
| I | - | 29.7 | - | ||
| II | - | 8.1 | - | ||
| III | - | 2.7 | - | ||
| IV | - | 0 | - | ||
| Tumor (Subsite) | |||||
| Cardia | 42.9 | - | - | - | - |
| Non-Cardia | 53.6 | - | - | ||
| Mixed | 3.5 | - | - | ||
| Tumor (Subtype) | |||||
| Intestinal | 50 | - | - | - | - |
| Diffuse | 29.2 | - | - | ||
| Signet ring cell | 4.2 | - | - | ||
| Mixed | 8.3 | - | - | ||
| Other | 8.3 | - | - | ||
| Tumor (Stage) | |||||
| IA | 4.6 | - | - | - | - |
| IB | 14.7 | - | - | ||
| II | 19.0 | - | - | ||
| IIIA | 38.1 | - | - | ||
| IIIB | 19.0 | - | - | ||
| IV | 4.6 | - | - | ||
| Tumor (Grade) | |||||
| Poor | 34.8 | - | - | - | - |
| Moderate | 30.4 | - | - | ||
| Well | 34.8 | - | - | ||
| Serum anti-NapA antibodies | |||||
| Negative | 41.9 | 60.3 | 76.1 | 0.003 | 0.02 |
| Positive | 58.1 | 39.7 | 23.9 | ||
| IL4 -590 Genotype | |||||
| CC | 45.2 | 37.9 | 71.7 | 0.02 | 0.0008 |
| T carrier (CT+TT) | 54.8 | 62.1 | 28.3 | ||