Mittal, Ankush
Hassan, Motaz Elmahdy
Chandan, Joht Singh http://orcid.org/0000-0002-9561-5141
Willis, Brian H.
Nirantharakumar, Krishnarajah
Subramonian, Kesvapilla
Article History
Received: 25 October 2018
Accepted: 9 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: There was no legal requirement to obtain patient consent for this study. Although consent was not obtained from patients for data extraction, all data extracted was anonymised and modelled with low risk of identification. Studies analysing data using The Health Improvement Network (THIN) database have ethical approval from the NHS South-East Multicentre Research Ethics Committee, subject to prior independent scientific review. The Scientific Review Committee (IMS Health) approved the study protocol before we performed our analysis (SRC Reference Number: 17THIN007).
: Full dataset available from the corresponding author at k.nirantharan@bham.ac.uk.