| Analysis | END + Adj Tx | ENI | END | Observation | |
| END + Adj Tx | Kaplan-Meier survival | ? | 0.308 | 0.099 | 0.052 |
| Contingency table | ? | 0.165 | < 0.001 | 0.013 | |
| ENI | Kaplan-Meier survival | 0.308 | ? | 0.005 | 0.005 |
| Contingency table | 0.165 | ? | 0.002 | 0.025 | |
| END | Kaplan-Meier survival | 0.099 | 0.005 | ? | 0.517 |
| Contingency table | <0.001 | 0.002 | ? | 0.327 | |
| Observation | Kaplan-Meier survival | 0.052 | 0.005 | 0.517 | ? |
| Contingency table | 0.013 | 0.025 | 0.327 | ? |