What does statistical CONFOUNDING mean?? GREAT VIDEO!

0:00 Introduction to the Health IQ Series
0:46 Basics of confounding
4:32 Confounding in Coronavirus
7:54 Confounding by Indication
12:04 Randomised Control Trials

References:

Italian study (early COVID) showing 70% of mortalities are male:

Australian study looking at health impacts of urban density

The Cardiovascular Health of Young Adults: Disparities along the Urban-Rural Continuum
Elizabeth Lawrence, Robert A. Hummer, Kathleen Mullan Harris
First Published June 23, 2017 Research Article Find in PubMed

Data for population pyramid

Caesarean section and maternal death
Why mothers die 2000–2002: The sixth report of the confidential enquiries into maternal deaths in the United Kingdom. RCOG Press. London 2004.