This is the code and configuration for our paper, Inhaled corticosteroid use and risk COVID-19 related death among 966,461 patients with COPD or asthma
I have restricted to nebules in the BNF chapter 3 respiratory
Propose we exclude dornase alpha (10k scripts per annum) and sodium cromgicate (zero prescribing) as we are looking specifically at meds used in asthma/COPD
There is a nebules notebook created here. Some comments on definitions