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GRADE assessment.
| Comparison | Outcomes | Risk of bias | Inconsistency | Indirectness | Imprecision | Publication of bias | GRADE |
|---|---|---|---|---|---|---|---|
| Anatomical success | Short-term | No serious | Some | No at all | No | Presence | Low |
| Mid-term | No serious | No | No at all | No | Presence | Moderate | |
| Complication | Major complication | No serious | No | No at all | Some | Presence | Low |
| Phlebitis | No serious | No | No at all | No | Presence | Moderate |
