Influence of Age at Diagnosis and Time-Dependent Risk Factors on the Development of Diabetic Retinopathy in Patients with Type 1 Diabetes
Table 1
Demographic and clinical characteristics at onset of our population of T1D patients.
Variable
Total
Categorical variables
(%)
Sex
Men
579 (58%)
Women
410 (42%)
Age group (years)
0–9
190 (19%)
10–14
192 (19%)
15–29
334 (34%)
30–44
204 (21%)
≥45
69 (7%)
Smoking
No
613 (68%)
Ex-smoker
42 (5%)
Yes
249 (27%)
Antihypertensive treatment
No
981 (99.2%)
Yes
8 (0.8%)
Lipid lowering treatment
No
977 (98.8%)
Yes
12 (1.2%)
Continuous variables
Mean (SD)
Years of follow-up
989
10.1 (6.8)
SBP (mmHg)
816
115.7 (14.8)
DBP (mmHg)
816
70.1 (11.4)
LDL (mg/dL)
783
116.5 (40.3)
HDL (mg/dL)
804
48.7 (15.2)
Triglycerides (mg/dL)
840
119.9 (150.9)
BMI
821
20.2 (4.4)
HbA1c (%)
793
11.0 (2.5)
SBP, systolic blood pressure; DBP, diastolic blood pressure; LDL, low density lipoproteins; HDL, high density lipoproteins; BMI, body mass index; HbA1c, glycated hemoglobin.
