Received: 1 April 2020
Accepted: 26 November 2020
First Online: 7 December 2020
Ethics approval and consent to participate
: The research was undertaken according to the Italian Privacy Laws concerning collection, storage, and analysis of private data. A formal Institutional Research Ethics Board (Perugia University, S. Maria of Misericordia Perugia Hospital and S.Maria Terni Hospital) approval was not required because of the non-interventional, retrospective, and anonymous study design; however, a signed consent for the treatment and the analysis of data for scientific purpose was obtained from all patients or relatives either at admission or as soon as they could give it. The protocol of the study was accepted from Scientific Committee of SICADS (SocietàItaliana di ChirurgiaAmbulatoriale e Day Surgery) and published in the CUDS’ (Club Unità Day Surgery) (web site ExternalRef removed). All methods were carried out in accordance with SICADS guidelines. Informed consent obtained from study participants during recovery was written, verbal during follow up.
: Not applicable.
: All authors declare no financial and non-financial competing interests.