Demographic and clinical data, diagnostic ICD9 codes, and use of ultrasound were extracted. Bleeding endpoints were defined as hemothorax, drop of > 2 g/dL hemoglobin, or need for packed red cell transfusion. Results The study group comprised of 88 cases and 169 controls. Four bleeding ...
Pneumothorax outcomes were identified via ICD-9 codes. Adjusted risk of pneumothorax was estimated using multivariate logistic regression, controlling for baseline variables that altered the odds ratio (OR) for ultrasound guidance by >10%. Total hospitalization cost and length of stay (LOS) were ...
involving thoracentesis procedures to determine whether the use of ultrasonographic (US) guidance is associated with differences in complications or hospital costs as compared with not using US guidance.Methods.We used the Premier hospital database to identify patients with ICD-9 coded thoracentesis in ...