Clinical pregnancy rate · women with polycystic ovary syndrome
It is very uncertain whether metformin changes clinical pregnancy rate per woman ‐ short protocol GnRH‐antagonist compared with placebo or no treatment (very low certainty).
Clinical pregnancy rate per woman Participants with BMI < 30 kg/m2 or ≤ 32 kg/m2a · women with polycystic ovary syndrome
Metformin may leads to higher clinical pregnancy rate per womanaParticipants with BMI < 30 kg/m2… compared with clomiphene citrate (low certainty).
Clinical pregnancy rate per woman aParticipants with BMI ≥ 30 kg/m2 · women with polycystic ovary syndrome
Metformin may leads to lower clinical pregnancy rate per woman aParticipants with BMI ≥ 30 kg/m2 compared with clomiphene citrate (low certainty).
Clinical pregnancy rate · women with polycystic ovary syndrome
Metformin combined with clomiphene citrate probably leads to higher clinical pregnancy rate per woman compared with clomiphene citrate alone (moderate certainty).
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsion (LE) showed no clear difference in any BPD – OS‐LE vs S‐LE (sensitivity analysis) compared with soybean oil‐based LE (S‐LE) (low certainty).
Gingivitis · Adults, 16 years and older (dentate)
It is very uncertain whether interdental brushing plus toothbrushing changes gingivitis (gingival index) compared with toothbrushing alone (very low certainty).
MD -0.53 [-0.83, -0.23]
1 study · 62 participants
Very low
MD -0.05 [-0.13, 0.03]
1 study · 31 participants
Very low
MD -0.53 [-0.83, -0.23]
1 study · 62 participants
Very low
Plaque · Adults, 16 years and older (dentate)
Interdental brushing plus toothbrushing may leads to lower plaque compared with toothbrushing alone (low certainty).
Gingivitis · Adults, 16 years and older (dentate)
Interdental brushing plus toothbrushing may leads to lower gingivitis (proportion of bleeding sites) compared with flossing plus toothbrushing (low certainty).
MD -0.06 [-0.08, -0.03]
6 studies · 234 participants
Low
SMD -0.40 [-0.70, -0.11]
3 studies · 183 participants
Low
SMD -0.53 [-0.81, -0.24]
7 studies · 326 participants
Low
Show 1 more finding
Plaque · Adults, 16 years and older (dentate)
It is very uncertain whether interdental brushing plus toothbrushing changes plaque compared with flossing plus toothbrushing (very low certainty).
SMD -0.47 [-0.84, -0.11]
5 studies · 290 participants
Very low
SMD 0.10 [-0.13, 0.33]
7 studies · 326 participants
Low
SMD -2.14 [-5.25, 0.97]
2 studies · 107 participants
Very low
Interproximal caries · Adults, 16 years and older (dentate)
The review found no eligible studies for this question.
Interproximal caries · Adults, 16 years and older (dentate)
The review found no eligible studies for this question.
Side effects · Adults, 16 years and older (dentate)
Harms and adverse outcomes (SoF): Neither study reported any information about adverse events. Jared 2005 assessed adverse events (participants issued a symptom diary) but did not report the findings; Graziani 2017 did…
1 study
GRADE not reported
Not estimable. Only 1 study reported adverse outcomes in terms of problems with the use of the assigned interdental cleaning aids. (See comment) In this comparison the single study (Jared 2005) asked participants to…
1 study
GRADE not reported
Side effects · Adults, 16 years and older (dentate)
Five studies reported there were no adverse events. Two studies reported on problems with the use of interdental brushes or floss, which sometimes caused soreness. (Six studies reported on adverse events; none…
6 studies
GRADE not reported
Not estimable. 2 studies reported adverse outcomes in terms of problems with the use of the assigned interdental cleaning aids. We were unable to pool data. (See comment) Three further studies reported that no adverse…
5 studies
GRADE not reported
Bleeding: Number of days on which a significant bleeding event occurred3 · People with a haematological disorder
Number of platelet transfusions per participant up to 30 days from study entry · People with a haematological disorder
All‐cause mortality
Short‐acting insulin analogues showed no clear difference in all‐cause mortality (N) compared with regular human insulin (moderate certainty).
Severe hypoglycaemia
HbA1c (%)
Health‐related quality of life