Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

89 questions · 94 findings · 25 reviews

No studies found 5 · 5.3%GRADE not reported 15 · 16%Very low 27 · 28.7%Low 20 · 21.3%Moderate 17 · 18.1%High 10 · 10.6%

Multiple vs fewer antiplatelet agents

Stroke, myocardial infarction, or vascular death · preventing early recurrence after ischaemic stroke or TIA

Multiple probably leads to lower stroke, myocardial infarction, or vascular death compared with fewer antiplatelet agents (moderate certainty).

1 finding from 1 review

Partial pulpotomy with one additional day before permanent restoration vs Partial pulpotomy with one fewer day before permanent restoration

Overall success (composite of clinical and radiographic success) · Adults aged 18 years or older with mature permanent teeth and carious pulp exposure

Each additional day before permanent restoration was associated with a 0.088% decrease in success in meta-regression.

1 finding from 1 review

High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)

Early childhood caries experience (mean dmft) · Nigerian children with primary dentition (approximately 6 months to 5 years)

In primary dentition, high-frequency sugar consumption was associated with slightly higher, non-significant odds of caries (OR 1.13, 95% CI 0.23 to 5.44), with high heterogeneity (I2=83%; ungraded).

1 finding from 1 review

Higher number of lost teeth (per one additional lost tooth) vs One fewer missing tooth

Malignant transformation (oral cancer development) · Adults in case-control studies (oral cancer patients vs healthy controls)

The number of missing teeth (per tooth) was not significantly associated with oral cancer (OR 0.96, 95% CI 0.92-1.01); ungraded.

1 finding from 1 review

Missing teeth / tooth loss vs Fewer or no missing teeth

Malignant transformation (oral cancer development) · Adults in case-control studies (oral cancer patients vs healthy controls)

Pooling across all missing-teeth measures, the overall association with oral cancer was not statistically significant (OR 1.20, 95% CI 0.97-1.48; high heterogeneity, I2=82.8%); ungraded.

1 finding from 1 review

High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)

Dental caries in permanent teeth · Nigerian individuals with permanent dentition (approximately 12 years and older)

In permanent dentition, high-frequency sugar consumption was associated with non-significant 15% higher odds of caries (OR 1.15, 95% CI 0.88 to 1.52), with no heterogeneity (I2=0%; ungraded).

1 finding from 1 review

High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)

Dental caries prevalence · Nigerian individuals, including children and adults, with primary or permanent dentition

High-frequency sugar consumption was associated with 18% higher but non-significant odds of dental caries in Nigeria (OR 1.18, 95% CI 0.87 to 1.59; I2=36%; ungraded).

1 finding from 1 review

Intervention not reported

Total studies: 93 Total participants: 22,558 · people with chronic pain Interventions: amitriptyline standard dose (25‐75 mg); desvenlafaxine high dose (> 50 mg); duloxetine low dose (<…

The intervention led to lower total studies: 93 Total participants: 22,558; GRADE not reported.

1 finding from 1 review