Fentanyl vs tramadol: All‐cause mortality during hospital stay
It is very uncertain whether fentanyl changes all‐cause mortality during initial hospitalization compared with tramadol (very low certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Fentanyl vs tramadol All‐cause mortality during initial hospitalization · postoperative pain in preterm and term infants It is very uncertain whether fentanyl changes all‐cause mortality during initial hospitalization compared with tramadol (very low certainty). Systemic opioids versus other analgesics and sedatives for postoperative pain in neonates (2023) · Cochrane Headline outcomes only | RR 0.99 [0.59, 1.64] | 1 study · 171 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Systemic opioids versus other analgesics and sedatives for postoperative pain in neonates 2023 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.