Prevalence of diabetes and diabetic retinopathy in population aged ≥50 years in NorthGoa
In the district NorthGoa, diabetic retinopathy (DR) survey was conducted along with the RAAB survey using the RAAB6+DR methodology. All the known diabetics and newly diagnosed diabetics (random blood sugar ≥ 200mg/dl) aged 50 years and above were assessed for DR. Scottish classification was used for DR grading. It was found that prevalence of total diabetics in population aged ≥50 years was 24.7%.
Among the diabetics the prevalence of diabetic retinopathy was 18.6%. Prevalence of maculopathy was 8% and that of any retinopathy or maculopathy was 18.6%. Prevalence of sight threatening DR was 6.1%.
Table: Prevalence of known and new diabetes in population aged ≥50 years in NorthGoa, Goa
Diabetics Examined
Male(N=1059)
Female(N=1643)
Total(N=2702)
n
%
n
%
n
%
Known diabetes
232
21.9
306
18.6
538
19.9
Newly diagnosed diabetes
47
4.4
83
5.1
130
4.8
Total
279
26.3
389
23.7
668
24.7
Table: Gender & Age wise Prevalence of any diabetic retinopathy among diabetics population aged ≥50 years in NorthGoa, Goa
Demographic Variable
Diabetic assessed for DR
DR cases
Prevalence %
Gender
Male
246
55
22.4
Female
357
57
16.0
Age Group
50 – 59
205
35
17.1
60 – 69
265
52
19.6
70 – 79
115
23
20.0
80+
18
2
11.1
All ages
603
112
18.6
Table: Prevalence of diabetic retinopathy, maculopathy and sight threatening diabetic retinopathy (Scottish classification) among diabetics population aged ≥50 years in NorthGoa, Goa