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. 2024 Jun 28;10(3):272–284. doi: 10.33546/bnj.3360

Table 2.

Characteristics of persons with type 2 diabetes and DR

Characteristics Total (N = 98) Control (n = 49) Experiment (n = 49) Statistical value p

f (%) f (%) f (%)
Gender 0.667a 0.414
Male 56 (57.1) 30 (61.2) 26 (53.1)
Female 42 (42.9) 19 (38.8) 23 (46.9)
Age (years) Mean =55.45, SD = 8.33 (range = 32-69) Mean = 55.35, SD = 8.91 (range = 32-69) Mean = 55.55, SD = 7.79 (range = 42-69) -0.121t 0.904
30-49 24 (24.5) 11 (22.4) 13 (26.5) 0.221a 0.638
50-69 74 (75.51) 38 (77.6) 36 (73.5)
Marital status 2.262a 0.133
Married 78 (79.6) 42 (85.7) 36 (73.5)
Single/ divorced 20 (20.4) 7 (14.3) 13 (26.5)
Education 4.690a 0.096
Primary/Secondary 39 (39.8) 24 (49.0) 15 (30.6)
Vocational/High 28 (28.6) 14 (28.6) 14 (28.6)
Vocational
Bachelor/ Postgraduate 31 (31.6) 11 (22.4) 20 (40.8)
Received DR education 373a 0.41
No 55 (56.1) 29 (59.2) 26 (53.1)
Yes 43 (43.9) 20 (40.8) 23 (46.9)
Body Mass Index (BMI) (Kg/m2) Mean = 27.37, SD = 5.056 (range = 32-69) Mean = 26.72, SD = 5.26 (range = 32-69) Mean = 28.02, SD = 4.82 (range = 32-69) -1.276t 0.205
18.5 -22.9 18 (18.4) 12 (24.5 6 (12.2) 2.721a 0.437
23-24.9 16 (16.3) 8 (16.3) 8 (16.3)
25-29.9 38 (38.8) 18 (36.7) 20 (40.8)
≥30 26 (26.5) 11 (22.4) 15 (30.6)
Duration of diabetes (years) Mean =11.80, SD = 7.69 (range = 1-35) Mean = 12.99, SD = 8.27 (range = 1-35) Mean = 10.62, SD = 6.96 (range = 1-35) 1.534t 0.128
1-5 29 (29.6) 12 (24.5) 17 (34.7) 3.231a 0.52
6-10 23 (23.5) 12 (24.5) 11 (22.4)
11-15 19 (19.4) 9 (18.4) 10 (20.4)
16-20 16 (16.3) 8 (16.3) 8 (16.3)
>20 11 (11.2) 8 (16.3) 3 (6.1)
HbA1c (%) Mean = 9.067, SD = 2.06 (range = 7-15.3) Mean = 8.92, SD = 2.004 (range= 7-15.3) Mean = 9.26, SD = 2.13 (range=7-15.3) -0.713t 0.478
7.0-8.0 40 (40.8) 21 (42.9) 19 (38.8) 0.754a 0.686
8.1-9.0 32 (32.7) 14 (28.6) 18 (36.7)
>9.0 26 (26.5) 14 (28.6) 12 (24.5)
Systemic Comorbidities 0.344a 0.558
No 3 (3.1) 1 (2.0) 2 (4.1)
Yes 95 (96.9) 48 (98.0) 47(95.9)
Cataract 0.043a 0.836
No 39 (39.8) 19 (38.8) 20 (40.8)
Yes 59 (60.2) 30 (61.2) 29 (59.2)
Duration of DR (years) Mean = 1.913, SD = 2.76 (range = 0.01-12) Mean = 1.96, SD = 2.84 (range = 0.01-12) Mean = 1.869, SD = 2.72 (range = 0.01-12) 0.153t 0.879
<1 44 (44.9) 21 (42.9) 23 (46.9) 0.424a 0.809
1-5 42 (42.9) 21 42.9) 21 (42.9)
>5 12 (12.2) 7 (14.3) 5 (10.2)
DR severity: Right Eye 2.381b 0.702
No DR - - -
Mild NPDR 31 (31.6) 17 (34.7) 14 (28.6)
Moderate NPDR 47 (48.0) 22 (44.9) 25 (51.0)
Severe NPDR 9 (9.2) 3 (6.1) 6 (12.2)
PDR 6 (6.1) 4 (8.2) 2 (4.1)
Non-specified due to CRVO 5 (5.1) 3 (6.1) 2 (4.1)
DR severity: Left Eye 3.793b 0.624
No DR 1 (1.02) 1 (2.1) -
Mild NPDR 28 (28.6) 16 (32.7) 12 (24.5)
Moderate NPDR 48 (49.0) 20 (40.8) 28 (57.1)
Severe NPDR 10 (10.2) 5 (10.2) 5 (10.2)
PDR 8 (8.2) 5 (10.2) 3 (6.1)
Non-specified due to CRVO 3 (3.1) 2 (4.1) 1 (2.0)
DR severity in the better eye 0.887a 0.642
Mild NPDR 35 (35.7) 20 (40.8) 15 (30.2)
Moderate NPDR 51 (52.1) 24 (49.0) 27 (55.1)
Severe NPDR 2 (12.2) 5 (10.2) 7 (14.3)
VA in the better eye (LogMAR) Mean = 0.96, SD = 0.120 (range = 0.00-0.60) Mean = 0.108, SD = 0.133 (range = 0.00-0.60) Mean = 0.83, SD = 0.104 (range = 0.00-0.50) 1.010t 0.315
None (0.00-0.40) 96 (97.96) 48 (97.96) 48 (97.96) 4.718b 0.635
Mild-moderate VI (0.50 - <1.0) 2 (4.08) 1 (2.04) 1 (2.04)