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Table 3 Prevalence of diabetes complications in Thailand

From: Diabetes management in Thailand: a literature review of the burden, costs, and outcomes

Estimate

Summary of the main features of the study

Reference

Prevalence of diabetic retinopathy (DR)

  

15.1% DR, 11.6% non-proliferative, 3.5% proliferative DR

Study year: March-October 2007

[53]

Setting: 13 primary care units in urban areas

Sample and study design: Cross-sectional study, ADA criteria

287 diabetic patients (79 males, 208 females)

31.2% (n = 86), 25% (n = 69) non proliferative and 6.2% (n = 17) proliferative DR

Study year: 1 Jan-31 Dec 2006

[49]

Setting:1 tertiary hospital, out-patient department

Sample and study design: 722 diabetes patients. Retrospective records review of DMT2 patients

31.4% (n = 2105), 22% (n = 1475) non-proliferative and 9.4% (n = 630) proliferative DR

Study year: April-December 2003

[50]

Setting: 11 tertiary diabetes centres

Sample and study design: 6,707 diabetes Type 2 patients (4,434 females, 2,273 males). Cross-sectional, hospital based study. Thailand diabetes registry project

DMT2 and DMT1

Study year: April-December 2003

[13]

30.7% (n = 2187), 21.3% (n-1516) non-proliferative,9.4% (n = 671) proliferative

Setting: 11 tertiary care medical centres

 

Sample and study design: 9,419 diabetes patients, 65.9% females, 94.6% DMT2, 4.5% DMT1, 0.1% MODY. Cross-sectional, hospital based study. Thailand diabetes registry project

DMT1

Study year: April-December 2003

[63]

21.6% (n = 75), 10.9% (n = 38) non-proliferative and 10.7% (n = 27) proliferative DR

Setting: 11 tertiary diabetes centres

 

Sample and study design: 347 diabetes Type 1 patients (215 females, 132 males). Cross-sectional study of diabetes patients in 11 hospitals. Thailand diabetes registry project.

22% (n = 667), 19% (n = 576) non-proliferative DR, 3% (n = 91) proliferative DR

Study year: January-December 2002

[65]

Setting: All community hospital in Lampang province

Sample and study design: 3,049 diabetes patients (838 males, 2,211 females). Cross-sectional study in hospitals

13.6% DR

Study year: 2001

[15]

Setting: 8 provincial hospitals plus 4-5 district hospitals providing primary health care services in each province. Total number of sites: 37

Sample and study design: 1,078 diabetes patients (300 males, 778 females). Cross-sectional study

Comprehensive eye examination:

Study year: NA

[69]

19.2% non-proliferative, 1.1% proliferative for the right eye, 18.5% non-proliferative, 1.3% proliferative for the left eye

Setting: Trang provincial hospital

Photography:

Sample and study design: 714 diabetes patients. Cross-sectional, hospital based study

23.8% NDR, 1.4% PDR for the right eye, 22.6% NDR, 1.3% PDR for the left eye

  

Diabetic nephropathy (DN)

  

DN without DR

Study year: January 2007-September 2008

[68]

62.8% normo-albuminuria, 26% micro-albuminuria, 11.2% macro-albuminuria

Setting: 7 public hospitals: Bangkok (3), Nakhonpathom (1), Prathumthani (1), Prathumthani (1), and Prathumthani (1)

DN and DR

Sample and study design: 877 patients with diabetes Type 2 (ADA criteria), collection of urine samples. Cross-sectional study in the out-patient department of seven public hospitals

18.5% normo-albuminuria, 35.5% micro-albuminuria, 48% macro-albuminuria

 

Microalbuminuria 28.7%, macroalbuminuria 5.7%, 85% of them were non-DR and 15% DN and DR including 8% with both DN and DR

Study year: March-October 2007

[53]

Setting: 13 primary care units in urban areas

Sample and study design: 287 diabetes patients, 79 males, 208 females. Cross-sectional study, ADA criteria

Prevalence of DN 48.3% (Type 1) and 31.8% (Type 2)

Study year: April-December 2003

[67]

Setting: 11 tertiary diabetes centres

Sample and study design: Children and adolescents diabetes, 58 Type 1 and 22 Type 2, were screened for nephropathy. Cross-sectional study. Thailand diabetes registry project

Prevalence of DN was 42.9%: 19.7% micro-albuminuria, 23.2% overt nephropathy.

Study year: April-December 2003

[73]

Setting: 11 tertiary centres

Sample and study design: 4,875 diabetes patients, 63.8% females. Cross-sectional study, hospital based study. Thailand diabetes registry project

Prevalence of DN 17%

Study year: 2001

[15]

Setting: 8 provincial hospitals plus 4-5 district hospitals providing primary health care services in each province. Total number of sites: 37

 

Sample and study design: 1,078 diabetes patients (300 males, 778 females). Cross-sectional study

 

Vascular complications

  

Previous history of any lower extremity amputation: 0.9% right foot lesion, 0.6% left foot lesion

Study year: Aug 2005-March 2007

[74]

Diminished or absent pedal pulses 7.4% right foot lesion, 7.7% left foot lesion

Setting: Diabetic clinic in a university hospital in Northern Thailand

Low-risk ulcerative foot 3.7%

Sample and study design: 438 diabetic patients. Baseline data of patients attending the clinic were collected

High-risk ulcerative foot 0.2%

 

1.2% acute foot ulcer/gangrene, 6.9% healed foot ulcer

Study year: 2001

[15]

1.9% stroke, 0.7% myocardial infarction

Setting: 8 provincial hospitals plus 4-5 district hospitals providing primary health care services in each province. Total number of sites: 37

 

Sample and study design: 1,078 diabetes patients (300 males, 778 females). Cross-sectional study

Diabetic foot 40% (n = 50), cardiovascular disease 28.9% (n = 201), cerebrovascular disease 10.6% (n = 74)

Study year: 1 Jan-31 Dec 2006

[49]

Sample and study design: 722 diabetes patients, Retrospective review of medicinal records of DMT2 patients

DM duration more than 15 years vs. DM duration less than 15 years group

Study year: April-December 2003

[66]

DN 49.4% vs. 33.9%, DR 54.3% vs. 22.8%; myocardial infarction 9.4% vs. 3.5%, peripheral arterial disease, 17.3% vs. 5.5%, foot ulcer 13.4% vs. 5.3%,, stroke 9.4% vs. 7.0% and amputation 5.5% vs. 2.0%; all p values less than 0.01).

Setting: 11 tertiary diabetes centres

 

Sample and study design: 9,284 adult diabetes Type 2 patients registered to the Diabetes registry project, 2,244 patients with duration of diabetes more than 15 years and 7,040 patients with duration of diabetes less than 15 years. The longer duration group was on average older than the shoter duration group. Cross-sectional study. Thailand diabetes registry project

Ischaemic heart disease 8.1% (n = 761)

Study year: April-December 2003

[13]

Cerebrovascular 4.4% (n = 415)

Setting: 11 tertiary care medical centres

Peripheral vascular disease 11.4% (including amputation 1.6%, foot ulcer, and absence of peripheral pulse)

Sample and study design: 9,419 diabetic patients, 65.9% females, 94.6% DMT2, 4.5% DMT1, 0.1% MODY. Cross-sectional, hospital based study. Thailand diabetes registry project

 

Chronic kidney disease (CKD)

  

Prevalence of CKD stage 3 to 5 was 27.09% (n = 194) and 25.38% (n = 181) using Cockcroft-Gault formula and Modification of Diet in Renal Disease (MDRD) formula respectively

Study year: April- August 2007

[51]

Setting: Six primary health care units in Udon Thani province

Sample and study design: 714 diabetic patients, 542 females and 174 males. Cross-sectional study, cluster random sampling method

CKD stage 1 23.2% (n = 113), stage 2 28.7% (n = 140), stage 3 37.3 (n = 182), stage 4 8.2% (n = 40), stage 5 2.7% (n = 13)

Study year: 1 Jan-31 Dec 2006

[49]

Setting: 1 tertiary hospital, out-patient department

Sample and study design: 722 diabetes patients. Retrospective review of medical records of DMT2 patients

7.7% patients had renal insufficiency and 0.47% end-stage renal disease

Study year: April-December 2003

[73]

Setting: 11 tertiary centres

 
 

Sample and study design: 4,875 patients, 63.8% females. Cross-sectional study, hospital based study.

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