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Table 4 Prevalence of microvascular and macrovascular complications in included studies, 2003–2011

From: Epidemiology of diabetes and complications among adults in the Republic of Ireland 1998-2015: a systematic review and meta-analysis

Author Year of study Response rate (%) Sample size Age Diabetes type Time since diabetes diagnosis Data source Diagnostic method Type of complication Prevalence (%) Total
Kelliher et al. [28] 2003 - 6826 Adults All - National blind registry Visual acuity of <6/60 in better eye/visual field subtending angle of 20°/< less Blindness due to diabetic retinopathy 4.7
Buckley et al. [29] 2009 - 723,551 ≥20 years All - Hospital discharge data ICD-10 codes Non-traumatic lower leg amputation 0.2
Marsden et al. [34] Nov 2008-March 2009 72 1071 63 years (sd 13) T1: 7.5 %
T2: 92.3 %
15 years Electronic & paper clinical notes & referral letters -
Risk classification score
ACR 2.5–25
ACR >25
-
-
-
-
Diabetic retinopathy
Foot ulcer
Microalbuminuria
Proteinuria
Myocardial Infarction
Heart Failure
Transient Ischemic Attack
Stroke
Total macrovascular
24.8
2.5
32.1
6.0
0.4
0.3
1.5
0.5
3.5
Hurley et al. [30] Feb 2008- Sept 2009 68 563 64 years (sd 13.4) T1: 10 %
T2: 90 %
7.7 (8.2) years Clinical foot examination & practice medical records Scottish Intercollegiate Guidelines Network risk stratification
system & previous doctor diagnosis
Documented diabetic neuropathy
Foot ulceration
Past amputation
Neuropathy symptoms at examination
3.0
3.7
1.7
32
Farrell & Moran [31] 2010 - 309 - T2 - Chart review - Diabetic retinopathy
Neuropathy
Peripheral vascular disease
Chronic kidney disease
Cerebrovascular disease
6.5
12.3
12.9
5.5
5.2
Tracey et al. [32] 2009–2011 62 655 ≥50 years T2 5 (IQR 3–10) years SR previous doctor diagnosis - Diabetic retinopathy
Neuropathy
Leg ulcer
Nephropathy
Proteinuria
Total macrovascular
8.2 (6.2–10.9)
14.6 (11.4–18.2)
4.2 (2.8–6.4)
5.1 (3.4–7.6)
6.1 (4.3–8.6)
15.1 (12.2–18.4)
McHugh et al. [33] 2011 GP = 94 %; Screening uptake = 43 % 1542 65 years (sd 13) T1: 4.9 %
T2: 85.6 %
- Eye examination & clinical records Fundus 45° digital PASA-approved camera Background (R1)
Pre proliferative (R2)
Proliferative (R3)
Any diabetic retinopathy
21.5 (19.5–23.6)
3.4 (2.6–4.5)
0.7 (0.4–1.3)
25.6 (23.5–27.9)