A questionnaire for determining prevalence of diabetes related foot disease (Q-DFD): construction and validation

Table 4 Comparison of prevalence rates for PN, PVD and foot ulcer between this study and international studies.

First author	Study year	Study location	Diabetes prevalence	Prevalence of PVD	Prevalence of PN	Prevalence of foot ulceration
Bergin (current study)	2008	Australia	7.0%	16.0%	37.0%	4.5%
Manes	2002	Greece	8.7%	12.7%	33.5%	4.7%
Nielsen	1998	Saudi Arabia	23.0%	NR*	38.0%	4.7%
Kastenbauer	2004	Austria	5.0%	37.5%	NR	NR
Rhee	2007	Asia	6.8%**	17.7%	NR	NR
Hirsch	2001	United States	6.8%	19.6%	NR	NR
Al-Mahroos	2007	Bahrain	18.0%	NR	NR	5.9%

*NR = not reported.
Diabetes prevalence data is sourced from the World Health Organisation and is compiled using local epidemiological studies and surveys. Amputation is not included here as most international studies report findings as per capita or incidence rates not as prevalence rates. Deformity is not included here as no local or international deformity data could be identified for use as a comparison. ** Prevalence data for Asia is reported as a mean value given that this study was conducted across 7 Asian countries.

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