Published on in Vol 10 (2024)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/44062, first published .
The Use of ICD-9-CM Coding to Identify COVID-19 Diagnoses and Determine Risk Factors for 30-Day Death Rate in Hospitalized Patients in Italy: Retrospective Study

The Use of ICD-9-CM Coding to Identify COVID-19 Diagnoses and Determine Risk Factors for 30-Day Death Rate in Hospitalized Patients in Italy: Retrospective Study

The Use of ICD-9-CM Coding to Identify COVID-19 Diagnoses and Determine Risk Factors for 30-Day Death Rate in Hospitalized Patients in Italy: Retrospective Study

Barbara Giordani   1 , MSc ;   Alessandra Burgio   2 , MSc ;   Francesco Grippo   2 , MSc ;   Alessandra Barone   1 , MSc ;   Erica Eugeni   1 , MA, PhD ;   Giovanni Baglio   1 , MD, MSc

1 Research, National Outcomes Evaluation Programme (PNE) and International Relations Unit, Italian National Agency for Regional Healthcare Services, Rome, Italy

2 Italian National Institute of Statistics, Rome, Italy

Corresponding Author:

  • Barbara Giordani, MSc
  • Research, National Outcomes Evaluation Programme (PNE) and International Relations Unit
  • Italian National Agency for Regional Healthcare Services
  • Via Piemonte 60
  • Rome, 00187
  • Italy
  • Phone: 39 06 - 42749713
  • Email: giordani@agenas.it