Davies 1993.
| Methods | RCT Approved by the ethics committee and informed consent obtained Setting: Australia Funding: unspecified |
|
| Participants | 50 patients undergoing elective aortic abdominal surgery | |
| Interventions |
Treatment group: TEA (T9‐T10) with bupivacaine 0.5% for 62 (± 26) hours (n = 25) Control group: IV morphine infusion (n = 25) General anaesthesia for all participants |
|
| Outcomes | Hospital LOS | |
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Unclear risk | "randomized", no details |
| Allocation concealment (selection bias) | Unclear risk | Not mentioned |
| Blinding of participants and personnel (performance bias) All outcomes | Unclear risk | Not mentioned |
| Blinding of outcome assessment (detection bias) All outcomes | Unclear risk | Not mentioned |
| Incomplete outcome data (attrition bias) All outcomes | Low risk | 1 failed epidural |
| Selective reporting (reporting bias) | Low risk | All results provided |
| Other bias | Low risk | Groups well balanced In intention‐to‐treat |