About the data
To assist in interpreting hospitals data, more detailed information about the data sources, data quality, analysis methods, and the definitions and classifications used are available below.
Information about data years not shown on this page may be found in previous AIHW hospitals reports, data downloads, or in the links to superseded content in the METEOR metadata below. You can also Contact us via the AIHW website.
Principal database name/data source
Data set names1
Data set METEOR metadata for recent years
Technical appendices/notes for recent years
Admitted patient care2
AIHW National Hospital Morbidity Database (NHMD)
Admitted patient care NMDS
Emergency department care
AIHW National Non-admitted Patient Emergency Department Care Database (NNAPEDCD)
AIHW Non-admitted Patient Emergency Department Care (NAPEDC) NMDS
Elective surgery waiting times3
AIHW National Elective Surgery Waiting Times Data Collection (NESWTDC)
Elective surgery waiting times NMDS
AIHW National Public Hospital Establishments Database (NPHED)
Local Hospital Networks/Public hospital establishments (LHN/PHE) NMDS
AIHW Health Expenditure Database (HED)
Government health expenditure NMDS
Non-admitted patient care
AIHW National Non-admitted Patient Care (aggregate) Database NNAPC(agg)D)
Non-admitted patient care aggregate (NAPC aggregate) NBEDS
AIHW National Non-admitted Patient (episode-level) Database (NNAP(el)D)
Non-admitted patient (NAP) NBEDS
Safety and quality
AIHW National Staphylococcus Aureus Bacteraemia Data Collection (NSABDC)
Healthcare-associated infections NBEDS
National Hand Hygiene Data Collection
Hand hygiene NBEDS
1. NMDS: National minimum data set. NBEDS: National best endeavours data set.
2. Some Admitted patient care data also uses the NPHED.
3. Some Hospital resources data and Elective surgery waiting times data also uses the NHMD.
Patient experience data on MyHospitals comes from the Australian Bureau of Statistics (ABS) Patient experience survey.