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 |
---|---|---|---|---|---|---|---|
Sorvillo et al., 1984 [30] | Retrospective Cohort | United States | February–April 1979 | Outbreak | 79.2 | 13 / 101 | 12.9% |
Ellis et al., 2003 [31] | Retrospective Cohort | United States | August 1, 1995 - July 31, 1999 | Non-outbreak | Age ≥ 65, 100% | 1105 infections / 88,851 person-yearsc | 12.4 cases per 1000 person-years |
McElhaney et al., 2004 [39] | Randomized Controlled Trial | United States | 2000–2001d | Non-outbreak | 82.2 (8.4) | 3 / 198 | 1.5% |
Caram et al., 2009 [18] | Prospective Cohort | United States | January 29, 2008 - February 26, 2008 | Outbreak | 70.8 (15.0) | 7 / 52 | 13.5% |
Johnstone et al., 2014 [17] | Prospective Cohort | Canada | 2009, 2010, 2011e | Non-outbreak | Median 86 (IQR 80–90) | 12 / 1072 | 1.1% |
Uršič et al., 2016 [19] | Prospective Cohort | Slovenia | December 5, 2011 - May 31, 2012 | Non-outbreak | Median 84 (IQR 79.8–88.8) | 5 / 90 | 5.6% |
Hui et al., 2008 [20] | Prospective Cohort | China | April 2006–March 2007 | Non-outbreak | 84.9 (8.9) | 21 / 194 | 10.8% |