The world is waiting, use sequential analysis and get us the evidence-based treatment we need for COVID-19.

In spite of the relatively high morbidity and mortality, there is no approved medication yet for COVID-19. There are more than 200 ongoing trials on different drugs or vaccines, but new medications may take until 2021 to develop. Defining the optimal number of patients to be included in a study is a considerable challenge in these interventional researches.

The use of body mass index for measurement of fat mass in children is highly dependant on abdominal fat.

We examined the relationship between body fat and body mass index (BMI) in a multiethnic population of obese children. BMI z-scores were compared to DEXA measures of whole body composition and regional fat distribution. Fat mass index (FMI) was best predicted by the equation: 1/[(0.

Stunting is a major risk factor for overweight: results from national surveys in 5 Arab countries.

We analysed data on overweight and stunting from large national surveys performed between 2001 and 2004 in 5 Arab countries (Djibouti, Libyan Arab Jamahiriya, Morocco, Syrian Arab Republic and Yemen). Overweight and stunting were defined according to new WHO growth standards. Overweight ranged from 8.

Risk factors for stunting among under-fives in Libya.

Objective: Stunting is a chronic condition reflecting poor nutrition and health. Our aim was to ascertain major predictors of stunting in children <5 years old in Libya.

Population And Methods: A nationally representative, cross-sectional, two-stage stratified cluster sample survey enrolled 4549 under-fives from 6707 households.

The French Health Care System; What can We Learn?

All public systems look for the best organizational structure to funnel part of their national income into healthcare services. Appropriate policies may differ widely across country settings. Most healthcare systems fall under one of two broad categories, either Bismark or Beveridge systems.