Prevalence of diabetes and diabetic retinopathy in population aged ≥50 years in Sitamarhi, Bihar
In the district Sitamarhi, 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 5.3%.
Among the diabetics the prevalence of diabetic retinopathy was 13.1%. Prevalence of maculopathy was 1.6% and that of any retinopathy or maculopathy was 13.1%. Prevalence of sight threatening DR was 1.6%.
Table: Prevalence of known and new diabetes in population aged ≥50 years in Sitamarhi, Bihar
Diabetics Examined
Male(N=1280)
Female(N=1464)
Total(N=2744)
n
%
n
%
n
%
Known diabetes
43
3.4
40
2.7
83
3.0
Newly diagnosed diabetes
24
1.9
38
2.6
62
2.3
Total
67
5.2
78
5.3
145
5.3
Table: Gender & Age wise Prevalence of any diabetic retinopathy among diabetics population aged ≥50 years in Sitamarhi, Bihar
Demographic Variable
Diabetic assessed for DR
DR cases
Prevalence %
Gender
Male
58
9
15.5
Female
64
7
10.9
Age Group
50 – 59
49
6
12.2
60 – 69
55
8
14.5
70 – 79
17
2
11.8
80+
1
0
0.0
All ages
122
16
13.1
Table: Prevalence of diabetic retinopathy, maculopathy and sight threatening diabetic retinopathy (Scottish classification) among diabetics population aged ≥50 years in Sitamarhi, Bihar