Sensitivity and specificity of breast cancer ICD-9-CM codes in three Italian administrative healthcare databases: a diagnostic accuracy study
Iosief Abraha, Diego Serraino, Alessandro Montedori, Mario Fusco, Gianni Giovannini, Paola Casucci, Francesco Cozzolino, Massimiliano Orso, Annalisa Granata, Marcello De Giorgi, Paolo Collarile, Rita Chiari, Jennifer Foglietta, Maria Francesca Vitale, Fabrizio Stracci, Walter Orlandi, Ettore Bidoli
BMJ Open Jul 2018, 8 (7) e020627; DOI: 10.1136/bmjopen-2017-020627