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Table 1 PICO method for study questions

From: Global burden of the COVID-19 associated patient-related delay in emergency healthcare: a panel of systematic review and meta-analyses

PICO Evidence-based study concepts

Reference

P: Population of interest

Emergencies in different ED consultations which needs a timely intervention

Neurology

Meningitis

Acute ischemic stroke

Seizures

[19]

Cardiology

Acute MI/ Acute Coronary Ischemia

Aneurysm

Aortic Dissection

[20]

Cardiac Tamponade

Nephrology

polyangiitis and Wegener’s granulomatosis

Nephrotic syndrome

[21]

Gastroenterology

Upper GI bleeding

Lower GI bleeding

[22]

Endocrinology

Diabetic ketoacidosis (DKA)

Hypoglycemia

Acute adrenocortical insufficiency

[23]

Phaeochromocytoma crisis

Acute Hypercalcaemia

Thyroid storm

Myxoedema coma

Acute pituitary apoplexy

Rheumatology

Polyarteritis nodosa

polyarteritis nodosa

Scleroderma

[21]

polyangiitis and Wegener’s granulomatosis

Catastrophic antiphospholipid syndrome

General surgery

Acute abdominal conditions, including:

Respiratory obstruction, foreign bodies

[24]

Incarcerated and Strangulated Inguinal Hernias

Bleeding from esophageal varices

Appendicitis

Pelvic infections with abscesses

Intestinal obstruction

Perforated typhoid ulcers

Surgical infections

Complications of peptic ulcer

Amebic liver abscess

Gall bladder and bile duct disease

Obstetrics & Gynecology

torsion of ovary

Ectopic Pregnancy

[25]

pre-eclampsia and eclampsia

placenta praevia/placental abruption

Miscarriage

premature rupture of membranes

Urology

Acute Scrotum (torsion of testis)

Acute Urinary Retention

Severe Hematuria

[26]

Lithiasis

Fournier Gangrene

Psychiatry

Suicide

Agitated and violent patients

[27]

I: Intervention

Disease specific intervention in golden time

C: Control

Pre-COVID-19 outcomes in same centers per study

O: Outcome

Prevalence of Failure / Disruption of treatment, Prevalence of disease complications due to delayed care, Onset to hospital door time, Onset to treatment time,