The validity of using ICD-9 codes and pharmacy records to identify patients with chronic obstructive pulmonary disease

• Egile Nagusiak: Lee Todd A (Egilea), Anderson Stephen M (Egilea), Joo Min J (Egilea), Cooke Colin R (Egilea), Udris Edmunds M (Egilea), Johnson Eric (Egilea), Au David H (Egilea)
• Formatua: Liburua
• Argitaratua: BMC, 2011-02-01T00:00:00Z.
• Gaiak: article
• Sarrera elektronikoa: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Administrative data is often used to identify patients with chronic obstructive pulmonary disease (COPD), yet the validity of this approach is unclear. We sought to develop a predictive model utilizing administrative data to accurate...