Algorithm for Individual Prediction of COVID-19–Related Hospitalization Based on Symptoms: Development and Implementation Study

Rossella Murtas   ¹ , PhD ;   Nuccia Morici   ^{2, 3} , MD ;   Chiara Cogliati   ⁴ , MD ;   Massimo Puoti   ^{2, 5} , MD ;   Barbara Omazzi   ⁶ , MD ;   Walter Bergamaschi   ⁷ , MA ;   Antonio Voza   ⁸ , MD ;   Patrizia Rovere Querini   ⁹ , MD ;   Giulio Stefanini   ⁸ , MD ;   Maria Grazia Manfredi   ^{10, 11} , MD ;   Maria Teresa Zocchi   ^{10, 11} , MD ;   Andrea Mangiagalli   ^{10, 11} , MD ;   Carla Vittoria Brambilla   ^{10, 11} , MD ;   Marco Bosio   ² , MD ;   Matteo Corradin   ² , MD ;   Francesca Cortellaro   ¹² , MD ;   Marco Trivelli   ¹³ , MD ;   Stefano Savonitto   ¹⁴ , MD ;   Antonio Giampiero Russo   ¹ , MD, PhD

¹ Epidemiology Unit, Agency for the Protection of Health of the Metropolitan Area of Milan, Milan, Italy

² ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy

³ Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy

⁴ ASST Fatebenefratelli-Sacco, Luigi Sacco Hospital, Milan, Italy

⁵ Università degli Studi Milano Bicocca, School of Medicine, Milan, Italy

⁶ ASST Rhodense, Milan, Italy

⁷ Agency for the Protection of Health of the Metropolitan Area of Milan, Milan, Italy

⁸ IRCCS Humanitas, Rozzano, Italy

⁹ IRCCS San Raffaele, Milan, Italy

¹⁰ General Practitioners Group, Azienda Territoriale della Salute, Milan Metropolitan Area, Milan, Italy

¹¹ Ordine dei Medici Chirurghi e degli Odontoiatri di Milano, Milan, Italy

¹² ASST Santi Paolo and Carlo, Milan, Italy

¹³ ASST Brianza, Vimercate, Italy

¹⁴ Ospedale A. Manzoni, Lecco, Italy