OBJECTIVE: To determine the positive predictive value of International Classification of
Disease, 9th Revision, Clinical Modification (ICD-9-CM) discharge codes for acute deep …

BACKGROUND: Evaluating surgical outcomes is an important tool to compare providers
and institutions and to drive process improvements. Differing methodologies, however, may …

Objective Determine the degree of congruence between several measures of adverse
events. Design Cross-sectional study to assess frequency and type of adverse events …

Background In undertaking a major revision to the Australian Refined Diagnosis Related
Group (ARDRG) classification, we set out to contrast Australia's approach to using data on …

Objectives. To examine the criterion validity of the Agency for Health Care Research and
Quality (AHRQ) Patient Safety Indicators (PSIs) using clinical data from the Veterans Health …

Objective: The Agency for Healthcare Research and Quality (AHRQ) developed Patient
Safety Indicators (PSIs) for use with ICD-9-CM data. Many countries have adopted ICD-10 …

Background There is growing concern that the quality of inpatient care may differ on
weekends versus weekdays. We assessed the “weekend effect” in common urgent general …

Background The ICD-10 codes are used globally for comparison of diagnoses and
complications, and are an important tool for the development of patient safety, healthcare …

Background: Hospital administrative data are being used to identify patients with
postoperative venous thromboembolism (VTE), either pulmonary embolism (PE) or deep …

Background: There is increasing policy interest in public reporting and tying financial
incentives to metrics of patient safety. How black-serving hospitals fare on these measures …