Table 3.
Quality of evidence across studies (Grading of Recommendations, Assessment, Development, and Evaluations [27]; n=8).
| Quality assessment | Outcome measure | |||
|
|
Grief (n=8) | Depression (n=8) | PTSSa (n=6) | |
| Downgrade in quality of evidence | ||||
|
|
Risk of bias | No | No | No |
|
|
Inconsistency | Nob | Nob | Nob |
|
|
Indirectness | No | No | No |
|
|
Imprecision | Yes | Yes | Yes |
|
|
Publication bias | Suspectedc | Suspectedc | Suspected |
| Upgrade in quality of evidence | ||||
|
|
Large effect | No | No | Yes |
|
|
Possible confounding would change effect | No | No | No |
|
|
Dose-response effect | No | No | No |
|
|
Effect (95% CI) | 0.54 (0.32-0.77) | 0.44 (0.20-0.68) | 0.82 (0.63-1.01) |
| Overall quality of evidence | Low | Low | Moderate | |
aPTSS: posttraumatic stress symptoms.
bI2<60%.
cAs indicated by funnel plots.