Identification of the Optimal Model for the Prediction of Diabetic Retinopathy in Chinese Rural Population: Handan Eye Study
Table 1
Demographic characteristics and univariate analysis ().
Variable
DR※
Non-DR※
Statistic value
value
Age
54.00 (50.00-59.00)
52.00 (42.00-58.00)
3.778
<0.001
Gender
1.434#
0.231
(i) Male
47 (39.50%)
2086 (45.02%)
(ii) Female
72 (60.50%)
2547 (54.98%)
Education degree
4.866#
0.088
(i) Illiterate or semi-illiterate
14 (11.76%)
619 (13.36%)
(ii) Primary grade
73 (61.34%)
2376 (51.28%)
(iii) Secondary school and above
32 (26.89%)
1638 (35.36%)
Marriage status
6.645#
0.010
(i) Married
19 (15.97%)
419 (9.04%)
(ii) Divorced and widowed
100 (84.03%)
4214 (90.96%)
Smoke status
0.849#
0.357
(i) No
86 (72.27%)
3164 (68.29%)
(ii) Yes
33 (27.73%)
1469 (31.71%)
Drink status
0.025#
0.876
(i) No
94 (78.99%)
3632 (78.39%)
(ii) Yes
25 (21.01%)
1001 (21.61%)
Systolic blood pressure
143.00 (130.00-164.50)
134.50 (122.00-150.50)
<0.001
BMI
25.63 (22.68-28.44)
24.12 (22.07-26.37)
3.978
<0.001
Spheric equivalence
0.13 (-0.50-0.63)
0.00 (-0.50-0.50)
0.917
0.359
IOP
16.00 (14.25-17.75)
15.00 (13.00-17.00)
3.853
<0.001
Axis length
22.68 (22.16-23.22)
22.81 (22.30-23.30)
-1.822
0.068
Blood glucose
6.88 (6.13-9.11)
5.49 (5.14-5.89)
12.503
<0.001
Urea nitrogen
4.51 (3.93-5.53)
4.65 (3.93-5.49)
-0.281
0.779
Creatine
69.80 (63.60-78.90)
69.70 (63.60-77.20)
0.415
0.679
Total triglycerides
1.55 (1.06-2.28)
1.27 (0.88-1.85)
3.729
<0.001
High-sensitive C-reactive protein
2.13 (0.79-4.38)
1.19 (0.43-3.33)
3.181
0.002
Albumin
45.50 (43.00-48.00)
45.00 (42.93-47.00)
1.674
0.094
Urea creatinine
75.20 (41.90-118.90)
75.20 (46.40-114.55)
-0.474
0.636
Urea albumin
1.28 (0.41-5.64)
0.71 (0.31-2.12)
3.102
0.002
Uric acid
1211.00 (833.00-1895.00)
1222.00 (827.00-1709.30)
0.578
0.563
Note: ※ = continuous variables were showed as average and range; categorical variables were showed as percentage. = the Wilcoxon rank sum test. # = chi-squared test.
