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Table 1 Summary characteristics of the 20 included publications

From: Diabetes-related foot disease in Australia: a systematic review of the prevalence and incidence of risk factors, disease and amputation in Australian populations

Reference (alphabetical order) Setting Study Design Period Population(s) of interest Population numbers (n) Subpopulation investigated Outcome(s) reported QA total scorea
Baba,2014 [18] Region-wide: Fremantle, WA Prospective cohort study 1993–1996 Community-dwelling population with type 2 diabetes n = 1292 Type 2 PN
PAD
Foot ulcer
Foot ulcer hospitalisation
7
7
5
5
Baba,2015a [35] Region-wide: Fremantle, WA Prospective cohort study 1993–1996; 2008–2011 Community-dwelling population with type 2 diabetes n = 1509 Type 2 PN
PAD
Previous foot ulcer
Amputation
7
7
5
5
Baba,2015b [34] Region-wide: Fremantle, WA Prospective cohort study 1993–1996;
2008–2011
Community-dwelling population with type 2 diabetes n = 1296; n = 1509 Type 2 Foot ulcer 5
Clarke,2006 [33] State-wide: Qld Retrospective study 1995–1999 Community-dwelling population with diabetes n = 20,538 Amputation 7
Commons,2015 [19] Region-wide: Darwin, NT Prospective cohort study 2012–2013 General population n = 192,680 Diabetic foot infection hospitalisation
Amputation
7
7
Davis,2012 [32] Region-wide: Fremantle, WA Prospective cohort study 1993–1996;
2008–2011
Community-dwelling population with type 2 diabetes n = 1296; n = 1509 Indigenous; non-Indigenous PN
PAD
7
7
Davis,2006 [11] Region-wide: Fremantle, WA Prospective cohort study 1993–1996 Community-dwelling population with type 2 diabetes n = 1294 Type 2 Amputation 5
Dillon,2017 [31] Nation-wide: Australia Retrospective cohort study 2007–2012 General population NS Type 1
Type 2
Amputation 8
Ewald,2001 [30] Region-wide: Central Australia Retrospective cohort study 1992–1997 Inpatient population with diabetes NS Foot complication 5
Jia,2017 [29] State-wide:
Qld
Prospective cohort study 2012–2014 Community-dwelling population with diabetes and an uninfected foot ulcer n = 853 PN
PAD
Previous foot ulcer
Previous amputation
Foot deformity
Foot infection
9
9
8
8
9
9
Kurowski,2015 [28] State-wide:
WA
Retrospective study 2000–2010 Community-dwelling population with diabetes NS Type 1
Type 2
Amputation 7
Lazzarini,2015 [24] State-wide:
Qld
Retrospective study 2005–2010 General population
Community-dwelling population with diabetes
n = 24,990,524
n = 846,967
Foot complication hospitalisation
Amputation
7
7
Lazzarini,2016a [27] State-wide:
Qld
Cross-sectional study 2013 Inpatient population
Inpatient population with diabetes
n = 733
n = 172
Foot ulcer
Foot infection
Foot complication hospitalisation
8
8
7
Lazzarini,2016b [26] As above As above As above As above As above Critical PAD
Amputation
8
8
Lazzarini,2017 [25] As above As above As above As above As above PN
PAD
Previous foot ulcer
Previous amputation
Foot deformity
Foot complications
7
7
7
7
7
7
Norman,2010 [23] State-wide:
WA
Retrospective study 2000–2008 Community-dwelling population with diabetes NS Indigenous; non-Indigenous Amputation 6
O’Hara,1998 [21] State-wide:
Vic
Retrospective study 1993–1995 Inpatient population with diabetes n = 95,091 PAD
Amputation
6
6
O’Rourke,2012 [22] Region-wide:
Far North Qld
Retrospective study 1999–2008 General population N = 262,000 Major amputation 6
Payne,2000 [20] Nation-wide: Australia Retrospective study 1995–1998 General population NS Amputation 8
Tapp,2003 [10] Nation-wide: Australia Cross-sectional study 1999–2000 Community-dwelling population with diabetes n = 821 PN
PAD
Previous foot ulcer
9
9
7
  1. aQA total scores listed correspond to, and are in the same sequence to, the outcomes reported in each publication. NS not stated; NT Northern Territory; PAD peripheral artery disease; PN peripheral neuropathy; QA quality assessment; Qld Queensland; Vic Victoria; WA Western Australia