Prevalence of diabetes and diabetic retinopathy in population aged ≥50 years in Birbhum, West Bangal
In the district Birbhum, 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 5.7%.
Among the diabetics the prevalence of diabetic retinopathy was 20.4%. Prevalence of maculopathy was 6.3% and that of any retinopathy or maculopathy was 20.4%. Prevalence of sight threatening DR was 3.5%.
Table: Prevalence of known and new diabetes in population aged ≥50 years in Birbhum, West Bangal
Diabetics Examined
Male(N=1192)
Female(N=1485)
Total(N=2677)
n
%
n
%
n
%
Known diabetes
38
3.2
51
3.4
89
3.3
Newly diagnosed diabetes
23
1.9
40
2.7
63
2.4
Total
61
5.1
91
6.1
152
5.7
Table: Gender & Age wise Prevalence of any diabetic retinopathy among diabetics population aged ≥50 years in Birbhum, West Bangal
Demographic Variable
Diabetic assessed for DR
DR cases
Prevalence %
Gender
Male
59
14
23.7
Female
83
15
18.1
Age Group
50 – 59
66
15
22.7
60 – 69
58
9
15.5
70 – 79
14
5
35.7
80+
4
0
0.0
All ages
142
29
20.4
Table: Prevalence of diabetic retinopathy, maculopathy and sight threatening diabetic retinopathy (Scottish classification) among diabetics population aged ≥50 years in Birbhum, West Bangal