Table V.
Question: Autologous blood compared to control for tennis elbow.
| Certainty assessment |
Number of patients |
Effect |
Certainty | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of studies | Study design | Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | Autologous blood | Control | Relative (95% CI) | Absolute (95% CI) | |
| Pain | |||||||||||
| 2 | randomised trials | not serious | not serious | not serious | Serious∗ | none | 50 | 48 | - | MD 0.49 VAS higher (2.35 lower to 3.33 higher) | ⊕⊕⊕◯ Moderate |
| Function | |||||||||||
| 3 | randomised trials | not serious | not serious | not serious | not serious | none | 68 | 66 | - | SMD 0.07 SD lower (0.64 lower to 0.5 higher) | ⊕⊕⊕⊕ High |
CI, confidence interval; MD, mean difference; VAS, visual analog scale; SMD, standardized mean difference.
∗
Only two studies reported pain. Treatment effect estimate range is large due to small number of patients.