Relationship between Serum Transforming Growth Factor β1 Concentrations and the Duration of Type 1 Diabetes Mellitus in Children and Adolescents

Table 1

Clinical and laboratory characteristics of patients.

Parameter	Value	Range
Age (y)	13.3 ± 3.9	4–20
Duration of T1DM (y)	9.7 ± 3.6	3–19
Mean arterial blood pressure (mmHg)	86.0 ± 8.0	65–105
Serum HbA1c (%)	8.5 ± 1.9	5.8–14.3
Albumin excretion rate (mg/24 h)	24 ± 19	0.20–120

Data are given as a number of subjects (%) or mean ± SD.