Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,191 questions · 2,354 findings · 362 reviews

No studies found 323 · 13.7%GRADE not reported 382 · 16.2%Very low 555 · 23.6%Low 597 · 25.4%Moderate 345 · 14.7%High 152 · 6.5%

Superelastic NiTi arch wire vs Conventional (stabilised) NiTi arch wire

Time to next/working arch wire · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)

Superelastic NiTi arch wire showed no clear difference in time to next/working arch wire compared with conventional (stabilised) NiTi arch wire; GRADE not reported.

1 finding from 1 review

Anticipated high responders: higher vs lower dose of FSH

IU vs 100 IU · women undergoing IVF/ICSI who are anticipated to have a hyper‐response to stimulation based on at least one ORT measure

Anticipated high responders: higher showed no clear difference in IU vs 100 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

300/450 IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in 300/450 IU vs 150 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

400/450 IU vs 300 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in 400/450 IU vs 300 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

IU vs 450 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in IU vs 450 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated normal responders: higher vs lower dose of FSH

IU vs 100 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure

Anticipated normal responders: higher showed no clear difference in IU vs 100 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated normal responders: higher vs lower dose of FSH

225/200 IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure

Anticipated normal responders: higher showed no clear difference in 225/200 IU vs 150 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated normal responders: higher vs lower dose of FSH

IU vs 225 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure

Anticipated normal responders: higher showed no clear difference in IU vs 225 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Thermoelastic copper NiTi (CuNiTi) arch wire vs Conventional (stabilised) NiTi arch wire

Time to alignment · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)

Thermoelastic copper NiTi (CuNiTi) arch wire showed no clear difference in time to alignment (alignment rate ratio) compared with conventional NiTi arch wire (low certainty).

1 finding from 1 review

Higher waist circumference vs Lower waist circumference

Dental caries in children · Children (approx. 4-18 years)

Waist circumference was not significantly associated with childhood dental caries (pooled OR 1.08, 95% CI 0.90 to 1.30; I2=47.7%); ungraded.

1 finding from 1 review