Smith PR. What diagnostic tests are needed for community-acquired pneumonia? Medical Clinics of North America 2001; 85: 1381–1396.
Fine MJ, Chowdhry T, Ketema A. Outpatient management of community-acquired pneumonia. Hospital Practice (Office Edition) 1998; 33: 123–133.
Metlay JP, et al. Influence of age on symptoms at presentation in patients with community-acquired pneumonia. Archives of Internal Medicine 1997; 157: 1453–1459.
Marrie TJ, et al. Community-acquired pneumonia requiring hospitalization. Is it different in the elderly? Journal of the American Geriatrics Society 1985; 33: 671–680.
Albaum MN, et al. Interobserver reliability of the chest radiograph in community-acquired pneumonia. PORT Investigators. Chest 1996; 110: 343–350.
Syrjala H, et al. High-resolution computed tomography for the diagnosis of community-acquired pneumonia. Clinical Infectious Diseases 1998; 27: 358–363.
Nichol KL, et al. The health and economic benefits associated with pneumococcal vaccination of elderly persons with chronic lung disease. Archives of Internal Medicine 1999; 159: 2437–2442.
Christenson B, et al. Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in adults aged 65 years or older: a prospective study. Lancet 2001; 357: 1008–1011.
Vila-Córcoles A, et al. Protective effect of pneumococcal vaccine against death by pneumonia in elderly subjects. European Respiratory Journal 2005; 26: 1086–1091.
Fisman DN, et al. Prior pneumococcal vaccination is associated with reduced death, complications, and length of stay among hospitalized adults with community-acquired pneumonia. Clinical Infectious Diseases 2006; 42: 1093–1101.
Marrie TJ, Durant H, Sealy E. Pneumonia – the quality of medical records data. Medical Care 1987; 25: 20–24.
Whittle J, et al. Community-acquired pneumonia: can it be defined with claims data? American Journal of Medical Quality 1997; 12: 187–193.
Guevara RE, et al. Accuracy of ICD-9-CM codes in detecting community-acquired pneumococcal pneumonia for incidence and vaccine efficacy studies. American Journal of Epidemiology 1999; 149: 282–289.
Comstock GW. Evaluating vaccination effectiveness and vaccine efficacy by means of case-control studies. Epidemiologic Reviews 1994; 16: 77–89.
Wacholder S. Practical considerations in choosing between the case-cohort and nested case-control designs. Epidemiology 1991; 2: 155–158.
National Centre for Classification in Health. International Statistical Classification of Diseases and Related Health Problems, 10th Edition, Australian Modification, 1st edn. Sydney: University of Sydney, 1998.
Department of Human Services Victoria. Victorian Inpatient Medical Database. Performance Reporting & Analysis, Department of Human Services Victoria. Accessed 15 May 2004.
The National Centre for Classification in Health. ICD-10-AM Australian Coding Standards, 2nd edn. Sydney: The National Centre for Classification in Health, 2000.
Last JM. A Dictionary of Epidemiology, 3rd edn. New York: Oxford University Press, 1995.
Neill AM, et al. Community acquired pneumonia: aetiology and usefulness of severity criteria on admission. Thorax 1996; 51: 1010–1016.
Szklo M, Nieto FJ. Quality assurance and control: the kappa statistic. In: Szklo M, Nieto FJ eds. Epidemiology. Beyond the Basics. Gaithersburg: Aspen Publishers; 2000, pp. 343–406.
Intercooled Stata 9.1 for Windows. Computer program, version 9.1. College Station, TX: StataCorp LP, 2005.
Watts CG, et al. Establishing thresholds for influenza surveillance in Victoria. Australia and New Zealand Journal of Public Health 2003; 27: 409–412.
Commission on Professional and Hospital Activities. International Classification of Diseases, 9th Revision, Clinical Modification, Vol 1. Ann Arbor, Michigan, 1980.
Fine MJ, et al. Validation of a pneumonia prognostic index using the MedisGroups comparative hospital database. American Journal of Medicine 1993; 94: 153–159.
Aronsky D, et al. Accuracy of administrative data for identifying patients with pneumonia. American Journal of Medical Quality 2005; 20: 319–328.
Aronsky D, Chan KJ, Haug PJ. Evaluation of a computerized diagnostic decision support system for patients with pneumonia: study design considerations. Journal of the American Medical Informatics Association 2001; 8: 473–485.
Ansaldi F, et al. Effectiveness of a 23-valent polysaccharide vaccine in preventing pneumonia and non-invasive pneumococcal infection in elderly people: a large-scale retrospective cohort study. Journal of International Medical Research 2005; 33: 490–500.
Cherian T, et al. Standardized interpretation of paediatric chest radiographs for the diagnosis of pneumonia in epidemiological studies. Bulletin of the World Health Organization 2005; 83: 353–359.