Frequency distribution of quality measures evaluated.

AMI = acute myocardial infarction; HF = heart failure; PN = pneumonia; SCIP = surgical care improvement project; ACEI = angiotensin-converting enzyme inhibitors; ARB = angiotensin receptor blockers; LSVD = left systolic ventricular dysfunction; PCI = percutaneous cardiac intervention; ICU = intensive care unit; ED = emergency department; CAP = community-acquired pneumonia.°In brackets is reported the overall number of patients for each set of measures.§Not documented in 122 (54.5%) medical records.§§Not documented in 367 (93.9%) medical records.§§§Not documented in 72 (84.7%) medical records.aAMI inpatient mortality not included for the calculation of the composite measure.bValues are expressed as mean ± SD.