Table 1 Description of 34 studies retrieved from systematic search
From: Hospitalisation rates and predictors in people with dementia: a systematic review and meta-analysis
Author, publication year | Country | Years of data collection | Source of study participants | Number of people with dementia | Dementia type | Outcome ascertainment | Mean years follow-up (max) |
|---|---|---|---|---|---|---|---|
Albert, 1999 [19] | USA | 1996–97 | Research cohort (WHICAP) | 400 | AD | Records and self/carer-report | 1.75 |
Aupperle, 1999 [20] | USA | 1997 | Clinical sample | 58 | AD | Carer-report | 1 |
Browne, 2017 [21] | England | 2008–09 | National register (CPRD) | 4999 | All-cause dementia | National register | 3 (5) |
Brüggenjürgen, 2015 [22] | Germany | 2005–08 | Insurance register (Statutory Health Insurance) | 20,000 | AD | Insurance register | 4 |
Bynum, 2004 [23] | USA | 1999 | Insurance register (Medicare) | 103,512 | All-cause dementia | Insurance register | 1 |
Callahan, 2012 [24] | USA | 2001–08 | Insurance registers (Medicare and Medicaid claims, MDS and OASIS) | 1523 | All-cause dementia | Insurance register | 5.2 |
Chen, 2014 [25] | England | 2008–10 | National registers (CPRD and HES) | 3896 | AD | National register | 2 |
Cortes, 2008 [26] | France | Not reported | Research cohort (REAL-FR) | 686 | Mild-moderate AD | Self-report | 2 |
Hill, 2005 [27] | USA | 1999–2002 | Insurance register (Medicare) | 3357 | AD and VaD | Insurance register | 3 |
Jennings, 2019 [28] | USA | 2012–15 | Insurance register (Medicare) | 3249 | All-cause dementia | Insurance register | 1.75 |
Kunik, 2003 [29] | USA | 1997–99 | Insurance register (VAMC) | 864 | All-cause dementia | Insurance register | 1.8 (2) |
Malone, 2009 [30] | USA | 2000–06 | National register (HealthCore) | 5396 | AD | National register | 2 (6) |
Maust 2017 [31] | USA | 2002–08 | Research cohort (ADAMS) | 332 | All-cause dementia | Insurance register | 6 |
Miu, 2018 [32] | Hong Kong | 2013–15 | Clinical sample | 267 | All-cause dementia | Hospital records | 1 (1) |
Mueller, 2017 [33] | England | 2006–13 | Clinical register (CRIS) | 970 | AD and DLB | National register | 0.9 |
Mueller, 2018 [34] | England | 2011–13 | Clinical register (CRIS) | 4668 | All-cause dementia | National register | 2 |
Nourhashemi, 2005 [35] | France | Not reported | Research cohort (REAL-FR) | 677 | AD | Self/carer-report | 1 |
Phelan, 2012 [36] | USA | 1994–2007 | Research cohort (ACT) | 494 | All-cause dementia | Hospital records | 9.6 (12) |
Pimouguet, 2016 [11] | Sweden | 2001–10 | Research cohort (SNAC-K) | 175 | All-cause dementia | National register | 4.7 (6) |
Rudolph, 2010 [37] | USA | 1991–2006 | Research cohort (MADRC) | 827 | AD | Self/carer-report | 3 |
Russ, 2015 [38] | Scotland | Not reported | National register (SDRIR) | 730 | All-cause dementia | National register | 1.2 (3.3) |
Sköldunger, 2015 [39] | Sweden | 2001–04 | Research cohort (SNAC) | 319 | All-cause dementia | Self/carer-report | 3 |
Sloane, 2017 [40] | USA | Not reported | Clinical sample | 136 | AD | Carer-report | 0.5 |
Sommerlad, 2019 [41] | UK | 2008–16 | Clinical register (CRIS) | 10,137 | All-cause dementia | Hospital records | 2.5 (8.2) |
Soto, 2015 [42] | France | Not reported | Research cohort (PLASA) | 1131 | AD | Self/carer-report | 2 |
Thorpe, 2010 [12] | USA | 1997–98 | Research cohort (NLCS) | 1186 | AD and VaD | Insurance register | 1 |
Tolppanen, 2015 [43] | Finland | 2005–09 | National register (Medication and Alzheimer’s disease study) | 27,948 | AD | National register | 4 (2.2 to 4) |
Zhao, 2008 [44] | USA | 2003–04 | Insurance register (Medicare) | 25,109 | All-cause dementia | Insurance register | 1 |
Zhu, 2015 [45] | USA | 1999–2010 | Research cohort (WHICAP) | 171 | All-cause dementia | Insurance register | 3.8 (10) |
Studies including sub-populations of people with dementia | Special characteristics | Â | Â | ||||
Axmon, 2016 [46] | Sweden | 2002–12 | National register (Swedish National Patient registry) | 271 | All-cause dementia (including 199 with ID) | National register | 11 |
Chen, 2017 [47] | Taiwan | 2002–11 | Insurance register (National Health Insurance Research Database) | 908 | All-cause dementia during last year of life | Insurance register | 9 |
Forma, 2011 [48] | Finland | 1998–2003 | National clinical registers | 34,232 | All-cause dementia during last 2 years of life | National register | 2 |
Kedia, 2017 [49] | USA | 2009 | Insurance registers (Medicare and Medicaid) | 9827 | All-cause (including 1294 with comorbid cancer) | Insurance register | 1 |
Tian, 2013 [50] | USA | 2006–10 | Insurance registers (MarketScans Commercial Claims and Medicare) | 8977 | AD (including 485 with dysphagia) | Insurance register | 2 (3) |