Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,747 questions · 3,943 findings · 594 reviews

No studies found 784 · 19.9%GRADE not reported 530 · 13.4%Very low 1,040 · 26.4%Low 981 · 24.9%Moderate 444 · 11.3%High 164 · 4.2%

Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)

Proportion of ancient skulls with at least one non-carious cervical lesion (NCCL) · Ancient/prehistoric human skulls (excavated/archaeological skeletal remains)

About 1.4% of ancient skulls (pooled) had at least one NCCL; crude 17/805 (2.11%) across 6 studies (ungraded, substantial heterogeneity I2=69%).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy

Anastomotic leakage · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes incidence of anastomotic leakage compared with roux‐en‐Y reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy

Incidence of bile reflux · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes incidence of bile reflux compared with roux‐en‐Y reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy

Incidence of remnant gastritis · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes incidence of remnant gastritis compared with roux‐en‐Y reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy

Incidence of oesophagitis · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes incidence of oesophagitis compared with roux‐en‐Y reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy

Major postoperative complications · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes major postoperative complications compared with billroth II reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy

Anastomotic leakage · people undergoing distal gastrectomy for gastric cancer

It is very uncertain whether summary of findings table ‐ Uncut Roux‐en‐Y reconstruction changes incidence of anastomotic leakage compared with billroth II reconstruction after distal gastrectomy (very low certainty).

1 finding from 1 review