A revascularization procedure is coded: Percutaneous coronary intervention (CCI: 1.IJ.50^^, 1.IJ.57.GQ^^ or 1.IJ.54.GQ.AZ*) or Coronary artery bypass (CCI: 1.IJ.76^^) Exclusion Criteria: AMI admissions (ICD-10-CA: I21.^ or I22.^ as a diagnosis type M, 1, 2, W, X or Y in the 12 months preceding the admission date on the index AMI record Age (in years) associated with index AMI record ≤19 Refer to Section 5: Identifying Acute Care and Day The ratio of the Numerator Exclusion criteria: Not Risk adjustments are How reported: observed number of Daycases (where classpat = 2 in specified made for: Hospital All spells with method Standardised ratio for Trusts hospital deaths to the the first episode) standardised of discharge as death, Sex (147) expected number of mortality ratio - defined by a specific Age on admission (in Observed / expected x100 deaths, multiplied by AMI. diagnosis code for the five year up to 100. Interpretation: primary diagnosis of 90+) the spell (AMI), Admission method It is expressed as a relative risk, excluding day cases. (non-elective or where a risk rating of 100 elective) represents the national average. Denominator Socio-economic If the trust has an HSMR of 100, The expected number deprivation quintile of that means that the number of of in-hospitals deaths the area of residence patients who died is exactly as it derived from logistic of the patient (based would be expected taking into regression. on the Carstairs Index) account the standardisation Primary diagnosis factors. (based on the Clinical Publicly reporting: Classification System - Dr Foster Quality Accounts () CCS group) Co-morbidities (no Hospital reporting: further information available)
A revascularization procedure is coded: Percutaneous coronary intervention (CCI: 1.IJ.50^^, 1.IJ.57.GQ^^ or 1.IJ.54.GQ.AZ*) or Coronary artery bypass (CCI: 1.IJ.76^^) Exclusion Criteria: AMI admissions (ICD-10-CA: I21.^ or I22.^ as a diagnosis type M, 1, 2, W, X or Y in the 12 months preceding the admission date on the index AMI record Age (in years) associated with index AMI record ≤19 Refer to Section 5: Identifying Acute Care and Day Hospital standardised mortality ratio - AMI. The ratio of the observed number of deaths to the expected number of deaths, multiplied by 100. Numerator All spells with method of discharge as death, defined by a specific diagnosis code for the primary diagnosis of the spell (AMI), excluding day cases. Denominator The expected number of in-hospitals deaths derived from logistic regression. Exclusion criteria: Daycases (where classpat = 2 in the first episode) Not specified Risk adjustments are made for: Sex Age on admission (in five year up to 90+) Admission method (non-elective or elective) Socio-economic deprivation quintile of the area of residence of the patient (based on the Carstairs Index) Primary diagnosis (based on the Clinical Classification System - CCS group) Co-morbidities (no further information available) How reported: Standardised ratio for Trusts (147) Observed / expected x100 Interpretation: It is expressed as a relative risk, where a risk rating of 100 represents the national average. If the trust has an HSMR of 100, that means that the number of patients who died is exactly as it would be expected taking into account the standardisation factors. Publicly reporting: Dr Foster Quality Accounts () Hospital reporting: hospital