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IMPACT ON THE HEALTHCARE SYSTEM. Burden of health care system. Annual increase in primary care consultations 30 to 50% 1 100 to 170% increase in hospitalizations 2,3 Majority of hospitalized patients Older than 65 years 3 Not in high-risk groups 3.
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Burden of health care system • Annual increase in primary care consultations 30 to 50% 1 • 100 to 170% increase in hospitalizations 2,3 • Majority of hospitalized patients • Older than 65 years 3 • Not in high-risk groups 3 1. Barker WH, Mullooly JP. Am J Epidemiol. 1980;112:798-811. 2. Perrotta DM, et al.Am J Epidemiol. 1985;122:468-476. 3. Glezen WP, et al. J Infect Dis. 1987;155:1119-1126.
Influenza increases work absenteeism • Average influenza-related work absence: 3 to 7 days 1 • One tenth of all sickness absences from work 2 • 70 million working days lost in USA in 1996 3 • 500,000 working days lost in Belgium during influenza peak week 4 • Estimated 2 million working days lost in Germany in 1999 5 • Jefferson T, et al. In: Nicholson KG, et al. Textbook of Influenza. Oxford: Blackwell; 1998:541-547. • Smith A. In: Wood C, ed. Influenza Strategies for Prevention. London: Royal Society of Medicine, 1988:46-52. • Vital and Health Statistics Series 10, No. 200. CDC. National Center for Health Statistics. 1996. http://www.cdc.gov/nchs/fastats/flu/htm. • Snacken R, et al. Eur J Epidemiol.1992;8:485-490. 5. AGI, Germany. Web site: www.dgk.de/agi.
Influenza affects work performance With influenza: 55% impairment in reaction time1 After return to work: 80% of adults’ work performance affected2 + Lost productivity costs: $13 billion each year in USA alone3 Decreased productivity: May compromise health and safety • Smith A, et al. BMJ. 1993;306:760-761. • Adams PF, et al. National Health Interview Survey, 1994. Vital Health Stat:10 (199).1998. • ALA Fact sheet. Influenza. www.lungusa.org/diseases/influenza_factsheet.htm.
By courtesy of Dr. T.D. Szucs, University of Zurich, Switzerland