Additional analgesia required (escape analgesia) · children undergoing surgery
Tramadol may leads to lower number of patients requiring rescue analgesia (PACU) compared with placebo (low certainty).
1 finding from 1 review
Number of patients with PONV (PACU) · children undergoing surgery
Tramadol showed no clear difference in number of patients with PONV (PACU) compared with nalbuphine (low certainty).
1 finding from 1 review
Additional analgesia required (escape analgesia) · children undergoing surgery
It is very uncertain whether tramadol changes number of patients requiring rescue analgesia (PACU) compared with pethidine (very low certainty).
1 finding from 1 review
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · children undergoing surgery
Tramadol showed no clear difference in number of patients with moderate to severe pain (PACU) compared with pethidine (low certainty).
1 finding from 1 review
Number of patients with PONV (PACU) · children undergoing surgery
Tramadol showed no clear difference in number of patients with PONV (PACU) compared with pethidine (low certainty).
1 finding from 1 review
Additional analgesia required (escape analgesia) · children undergoing surgery
1 finding from 1 review
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · children undergoing surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Number of patients with postoperative nausea and vomiting (24 hours postoperatively) · children undergoing surgery
1 finding from 1 review
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · children undergoing surgery
1 finding from 1 review
Number of patients with PONV (PACU) · children undergoing surgery
Tramadol showed no clear difference in number of patients with PONV (PACU) compared with placebo (moderate certainty).
1 finding from 1 review
Number of patients with postoperative nausea and vomiting (24 hours postoperatively) · children undergoing surgery
Tramadol showed no clear difference in number of patients with PONV (24 hours postoperatively) compared with placebo (moderate certainty).
1 finding from 1 review
Additional analgesia required (escape analgesia) · children undergoing surgery
Tramadol showed no clear difference in number of patients requiring rescue analgesia (PACU) compared with morphine (low certainty).
2 findings from 1 review
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · children undergoing surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Additional analgesia required (escape analgesia) · children undergoing surgery
It is very uncertain whether tramadol changes number of patients requiring rescue analgesia (24 hours… compared with nalbuphine (very low certainty).
1 finding from 1 review
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · children undergoing surgery
1 finding from 1 review
At least 30% reduction in pain · people with cancer pain
1 finding from 1 review
At least 50% reduction in pain · people with cancer pain
1 finding from 1 review
Pain no worse than mild at one or two weeks (or equivalent) · people with cancer pain
1 finding from 1 review
Patient Global Impression of Change much or very much improved · people with cancer pain
1 finding from 1 review
Serious adverse events (death) · people with cancer pain
1 finding from 1 review