Table 1.

Data elements

1. At time of CAP episode	2. Discharge Data	3. Follow-up -Data
Personal identifier	Personal identifier	Personal identifier
personal health number	personal health number	personal health number
Comorbid illness		Comorbid illness
asthma		asthma
COPD		COPD
heart disease		heart disease
diabetes		diabetes
cancer		cancer
chronic renal failure		chronic renal failure
dementia		dementia
seizures		seizures
stroke		stroke
psychiatric disorder		psychiatric disorder
HIV positive		HIV positive
Pneumonia Severity Index
Concomitant medications		Concomitant medications
indications		indications
type		type
dose		dose
		duration
Independent Variables	Disposition	Primary Outcomes
hypoxemia, functional status, smoking status, laboratory and diagnostic imaging: (hematology, biochemistry, arterial blood gas, radiographs) Microbiology	discharge disposition discharge destination	Inpatient encounters; admission and discharge dates, diagnostic and procedure codes (ICD-9/10) Physician claims; date and location of service, diagnostic Code (ICD-9/10), provider specialty ambulatory care; date, location of service, Diagnostic and procedure codes (ICD-9/10) Medication Use (> = 65 years); formulary service, prescription date, quantity