Table 4 Summary of findings table according to the GRADE approach
Anticipated absolute effects (95% CI) | ||||
|---|---|---|---|---|
Outcome Studies (patients) | Adolescents | Difference in adults | Quality of the evidence (GRADE)b | What happens with adults |
Full Tx duration 1010 patients (6 studies) | 30.1 months a | 0.4 months more (0.7 months less to 1.4 months more) | ⊕◯◯◯ very lowc due to bias | Little to no difference in overall treatment duration |
Duration of PDC alignment 30 patients (1 study) | 3.0 months | 3.8 months more (1.4 to 6.2 months more) | ⊕◯◯◯ very lowc,d due to bias, imprecision | Might be associated with longer alignment of PDCs |
Duration of 1st molar distalization 51 patients (1 study) | 7.4 months | 0.1 month more (1.7 months less to 1.8 months more) | ⊕⊕◯◯ very lowd,e due to bias, imprecision | Little to no difference in duration of 1st molar distalization |
Duration of canine retraction 18 patients (1 study) | 4.0 months | 2.0 months more (0.5 month less to 4.5 months more) | ⊕◯◯◯ very lowc,d due to bias, imprecision | Little to no difference in duration of canine retraction |