Nazu, Nazma Akter
Wikström, Katja
Lamidi, Marja-Leena
Lindström, Jaana
Tirkkonen, Hilkka
Rautiainen, Päivi
Laatikainen, Tiina
Article History
Received: 22 March 2022
Accepted: 25 October 2022
First Online: 9 November 2022
Declarations
:
: Ethics approval for the use of the electronic patient record data of the Hospital District of North Karelia is received from the ethics committee of the Northern Savo Hospital District on 13th November 2012. The need for informed consent was waived by the “Ethics Committee of the Northern Savo Hospital District”, because of the retrospective nature of the study. The Finnish legislation do not require informed consent for register-based research when study is solely based on registers (involving no contact with the study subjects) and the study is considered to be of public health importance. All methods were carried out in accordance with the relevant guidelines and regulations or declaration of Helsinki.
: Not applicable.
: The authors declare no conflict of interest.