Table 4. Hazard ratio and 95 % confidence intervals of overall survival using Cox proportional hazards model.
| Number of deaths (death from gastric cancer) | Person-years | Univariate analysis | Multivariate analysis1 | |||
| HR | 95 %CI | HR | 95 %CI | |||
| Noncurative ESD without surgery (n = 51) | 14 (1) | 242.2 | 1.0 | 1.0 | ||
| Noncurative ESD with surgery (n = 28) | 2 (0) | 141.4 | 0.24 | 0.05 – 1.05 | 0.29 | 0.06 – 1.45 |
ESD, endoscopic submucosa dissection; HR, hazard ratio; CI, confidence interval.
1
Adjusted for age, sex, concomitant disease, sm2 invasion, and lymphovascular invasion.