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Follow-up results
| Outcome | Phase 1 | Phase 2 | p value |
|---|---|---|---|
| Length of hospital stay, days | 9 | 9 | n.s. |
| Hospital morbidity, % | 4.1 | 4.0 | n.s. |
| Hospital mortality, % | 0.4 | 0.0 | n.s. |
| Time of follow up after intervention, days | 52 | 49 | 0.0014 |
| Morbidity on follow-up, % | 6.9 | 6.0 | n.s. |
| Mortality on follow-up, % | 0.4 | 0.2 | n.s. |
