What do systematic reviews say?

Mortality before hospital discharge · exclusively formula‐fed preterm or low birth weight infants

All‐cause mortality at 100 days post‐transplant · People undergoing stem cell transplant with malignant diseases

All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

All‐cause mortality at 100 days post‐transplant · Patients undergoing stem cell transplant with malignant and non‐malignant diseases

Proportion of all‐cause mortality at ≥ 12 months · adults aged over 50 years with giant cell arteritis

Proportion of all‐cause mortality at ≥ 12 months · adults aged over 50 years with giant cell arteritis

Proportion of all‐cause mortality at ≥ 12 months · adults aged over 50 years with giant cell arteritis

Proportion of all‐cause mortality at ≥ 12 months · adults aged over 50 years with giant cell arteritis

All‐cause mortality up to 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures

All‐cause mortality up to 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures

All‐cause mortality up to 120 days · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

All‐cause mortality, over the course of the study · menstruating women (non‐pregnant women of reproductive age)

All‐cause mortality during hospital stay · postoperative pain in preterm and term infants

All‐cause mortality start of surgery ‐ not reported · adults undergoing intra‐ and transperitoneal laparoscopic procedures

All‐cause mortality up to 30 days after the procedure · thrombocytopenia

All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction

All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction