Table 2.
Kaplan-Meier univariate survival analysis.
| Clinicopathologic features | OS months (Mean ±S.D.) | 5-year OS (%) | Univariate P value |
|---|---|---|---|
| Age | P=0.674 | ||
| ≤55 yrs | 61.7±2.9 | 61.2% | |
| >55 yrs | 60.8±2.9 | 64.7% | |
| Gender | P=0.734 | ||
| Female | 62.1±3.4 | 72.3% | |
| Male | 59.6±2.4 | 57.0% | |
| Location | P=0.003* | ||
| UTG | 46.7±4.3 | 36.2% | |
| MTG | 62.2±2.2 | 67.9% | |
| LTG | 64.0±3.3 | 69.7% | |
| Differentiation | P=0.150 | ||
| Well | 67.8±4.2 | 84.6% | |
| Moderate | 60.6±2.2 | 62.4% | |
| Poor | 57.5±3.5 | 55.9% | |
| Tumor size | P=0.124 | ||
| ≤5.0 cm | 62.7±2.2 | 65.3% | |
| >5.0 cm | 58.4±3.5 | 58.6% | |
| Invasion depth | P=0.048* | ||
| T1–T2 | 65.7±2.6 | 73.6% | |
| T3–T4 | 58.7±2.8 | 57.5% | |
| TNM stage | P=0.001* | ||
| I–II | 70.4±2.5 | 82.1% | |
| III–IV | 53.1±2.3 | 49.6% | |
| USP33 expression | P=0.001* | ||
| Low | 51.3±2.6 | 49.1% | |
| High | 69.1±2.3 | 76.0% |
OS – overall survival; USP33 – ubiquitin specific peptidase 33; UTG – upper third gastric; MTG – middle third gastric; LTG – lower third gastric.