Prevalence of diabetes and diabetic retinopathy in population aged ≥50 years in Bilaspur, Himachal Pradesh
In the district Bilaspur, 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 9.4%.
Among the diabetics the prevalence of diabetic retinopathy was 21.1%. Prevalence of maculopathy was 11.4% and that of any retinopathy or maculopathy was 21.1%. Prevalence of sight threatening DR was 3.7%.
Table: Prevalence of known and new diabetes in population aged ≥50 years in Bilaspur, Himachal Pradesh
Diabetics Examined
Male(N=1116)
Female(N=1592)
Total(N=2708)
n
%
n
%
n
%
Known diabetes
76
6.8
127
8.0
203
7.5
Newly diagnosed diabetes
18
1.6
34
2.1
52
1.9
Total
94
8.4
161
10.1
255
9.4
Table: Gender & Age wise Prevalence of any diabetic retinopathy among diabetics population aged ≥50 years in Bilaspur, Himachal Pradesh
Demographic Variable
Diabetic assessed for DR
DR cases
Prevalence %
Gender
Male
91
17
18.7
Female
155
35
22.6
Age Group
50 – 59
87
17
19.5
60 – 69
92
22
23.9
70 – 79
54
12
22.2
80+
13
1
7.7
All ages
246
52
21.1
Table: Prevalence of diabetic retinopathy, maculopathy and sight threatening diabetic retinopathy (Scottish classification) among diabetics population aged ≥50 years in Bilaspur, Himachal Pradesh