The Information Services Division of NHS National Services in Scotland provided both datasets, they included; date of death, age, gender, admission dates, primary and secondary cause of admission and death, and if the patient died in hospital.
Its data include date of admission, date of surgery, date of discharge, surgical procedures, and diagnoses.
The original downloaded NPD dataset did not include the type of installation but, on request, a dataset was provided which included date installed and type of installation.
Parameter estimation was performed using a dataset including all farms for which the date of first clinical suspicion was reported to be between 5 July 2006 and 1 November 2006 (inclusive).
The datasets contained only the visit files, including dates, medical care facilities and specialties, patients' genders, dates of birth, and the three major diagnoses coded in the International Classification of Disease, 9th Revision, Clinical Modification (ICD-9-CM) format [ 26- 28].
Variables available in the CMS dataset include age, gender, state of residence, date of admission, date of discharge, and up to 10 diagnostic fields.
The files SAF.PATIENTS were used as the primary dataset, including primary disease causing ESRD (PDIS) and cause and date of patient death.
The dataset included a measure of comorbidity.
Information obtained from the hospital separation dataset included admission and discharge dates, injury hospitalization type (in-patient or day surgery), sex, date of birth, death flag in a given year, date of death, hospital visit type (in-patient or day surgery), dead or alive on discharge, length of stay, age, ICD-codes for falls, and most responsible diagnosis for the hospital stay.
