Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,345 questions · 4,525 findings · 483 reviews

No studies found 1,024 · 22.6%GRADE not reported 388 · 8.6%Very low 1,172 · 25.9%Low 1,227 · 27.1%Moderate 576 · 12.7%High 138 · 3%

Phacoemulsification + supraciliary microstent surgery vs phacoemulsification alone

Proportion of participants who were medication‐free (not using eye drops) medium‐term · people with open‐angle glaucoma

Phacoemulsification + supraciliary microstent surgery probably leads to higher proportion of participants who were medication‐free (not using… compared with phacoemulsification alone (moderate certainty).

1 finding from 1 review

Phacoemulsification + supraciliary microstent surgery vs phacoemulsification alone

Mean change in unmedicated IOP24 months (medium‐term) · people with open‐angle glaucoma

Phacoemulsification + supraciliary microstent surgery showed no clear difference in mean change in unmedicated IOP24 months (medium‐term) compared with phacoemulsification alone (high certainty).

1 finding from 1 review

Phacoemulsification + supraciliary microstent surgery vs phacoemulsification alone

Mean change in daily IOP‐lowering medicationsat 24 months (medium‐term) · people with open‐angle glaucoma

Phacoemulsification + supraciliary microstent surgery showed no clear difference in mean change in daily IOP‐lowering medicationsat 24 months… compared with phacoemulsification alone (moderate certainty).

1 finding from 1 review

Phacoemulsification + supraciliary microstent surgery vs phacoemulsification alone

Proportion of participants experiencing postoperative complicationsover 24 months (medium‐term) · people with open‐angle glaucoma

Phacoemulsification + supraciliary microstent surgery showed no clear difference in proportion of participants experiencing postoperative… compared with phacoemulsification alone (moderate certainty).

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with eating with denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with eating with denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with appearance of denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with appearance of denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Overall denture satisfaction (0-10 scale) · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) led to lower overall denture satisfaction (0-10 scale) compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

3 findings from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with speech with denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with speech with denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Altered chin or lower lip skin sensation (binary) · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) led to lower morbidity: altered sensation of the lower lip and chin compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with lower denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with lower denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with retention of denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with retention of denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Botulinum toxin vs surgery

Proportion of participants requiring additional surgery(ies) at 6 or 12 months · adults and children with strabismus

It is very uncertain whether botulinum toxin changes proportion of participants requiring additional surgery(ies) at 6 or… compared with surgery (very low certainty).

1 finding from 1 review

Intervention not reported

Immediate postoperative anxiety (VAS) VAS (0 to 100 mm) measured approximately 90 minutes after surgery or in recovery room 0: no anxiety 100: maximum anxiety possible · patients undergoing elective surgery
1 finding from 1 review

Intervention not reported

Postoperative anxiety (6‐item STAI) STAI 6‐item (6 to 24) measured 1 hour and 6 hours after surgery 6: no anxiety 24: maximum anxiety possible · patients undergoing elective surgery
1 finding from 1 review