Table 1 Published Literature on the Burden of Influenza in Long-term Care Facilities
From: The burden of respiratory infections among older adults in long-term care: a systematic review
Author, Publication Year | Study Design | Country | Study Dates | Type of study | Age, Mean (SD)a, in years | n Infected / N at Riskb | Incidence Estimates |
|---|---|---|---|---|---|---|---|
Centers for Disease Control and Prevention, 1983 [28] | Retrospective Cohort | United States | December 1, 1982 - January 4, 1983 | Outbreak | 86.4 | 23 / 27 | 85.2% |
Horman et al., 1986 [29] | Retrospective Cohort | United States | December 8, 1980 - January 13, 1981 | Outbreak | 83.2 (range 62–100) | Influenza Definition 1—Chest congestion/cough and temperature ≥ 37.8 °C: 12 / 59; Influenza Definition 2—Chest congestion or cough or temperature ≥ 37.8 °C: 28 / 59 | Definition 1—20.3%; Definition 2—47.4% |
Deguchi et al., 2000 [38] | Randomized Controlled Trial | Japan | November 1998–March 1999 | Non-outbreak | 81.4 | 694 / 11,723 | 5.9% |