number of Denominator Age on admission (in five Reported as HSMR - The ratio of the observed hospital superspells with year bands up to 90+) number of in-hospital deaths during deaths with a method of Interactions between admissions with a Hospital Standardised Hospital discharge as death age on admission (in five Mortality Ratio (HSMR) diagnosis to the Standardised (DISMETH=4,5) year bands up to 90+) expected number of deaths, multiplied by 100 Mortality and Charlson Denominator: Interpretation: Ratio (HSMR) morbidity score Superspells diagnosis to Admission method of 100 represents the national average. A containing a spell the expected or elective) trust with An HSMR of 100 means the number with a primary number of of patients who died is exactly as it would be dominant diagnosis deaths, deprivation quintile of expected taking into account the of any of the 56 CCS multiplied by the area of residence of standardisation factors. An HSMR above 100 groups that 100. the patient (based on means more patients died than would be comprise the HSMR the Carstairs Index) expected; one below means fewer patients basket (contributing Diagnosis/procedure died than would be expected. to 80% of deaths) subgroup Publicly reported: Co-morbidities (based Dr Foster Quality Accounts () and in the My on Charlson score) Hospital Guide Number of previous emergency admissions Hospital reporting: Year of discharge For member organisations via online system. (financial year) No detail available. Whether or not palliative care Month of admission Source of admission 2. In-hospital mortality indicators for acute myocardial infarction In-hospital mortality indicators for acute myocardial infarction
number of deaths with a Hospital Standardised Mortality Ratio (HSMR) diagnosis to the expected number of deaths, multiplied by 100. Denominator superspells with method of discharge as death (DISMETH=4,5) Denominator: Superspells containing a spell with a primary dominant diagnosis of any of the 56 CCS groups that comprise the HSMR basket (contributing to 80% of deaths) Age on admission (in five year bands up to 90+) Interactions between age on admission (in five year bands up to 90+) and Charlson score Admission method or elective) deprivation quintile of the area of residence of the patient (based on the Carstairs Index) Diagnosis/procedure subgroup Co-morbidities (based on Charlson score) Number of previous emergency admissions Year of discharge (financial year) Whether or not palliative care Month of admission Source of admission Reported as HSMR - The ratio of the observed number of in-hospital deaths during admissions with a Hospital Standardised Mortality Ratio (HSMR) diagnosis to the expected number of deaths, multiplied by 100 Interpretation: of 100 represents the national average. A trust with An HSMR of 100 means the number of patients who died is exactly as it would be expected taking into account the standardisation factors. An HSMR above 100 means more patients died than would be expected; one below means fewer patients died than would be expected. Publicly reported: Dr Foster Quality Accounts () and in the My Hospital Guide Hospital reporting: For member organisations via online system. No detail available. 2. In-hospital mortality indicators for acute myocardial infarction In-hospital mortality indicators for acute myocardial infarction hospital morbidity