Skip to main content

Advertisement

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%
  1. aIf available and unless another measure is specified
  2. bThe estimates and study participants’ characteristics were calculated among the unvaccinated individuals