ND	Nocturnal Dipping
BP	Blood Pressure
ABPM	Ambulatory Blood Pressure Monitoring
DKD	Diabetic Kidney Disease
CAN	Cardiovascular Autonomic Neuropathy
25(OH)D	25-hydroxyvitamin D
T1DM	Type 1 Diabetes Mellitus
T2DM	Type 2 Diabetes Mellitus
HUJBB	João de Barros Barreto University Hospital
UFPA	Federal University of Pará
UACR	Urine albumin-creatinine ratio
ICF	Informed Consent Form
GFR	Glomerular Filtration Rate
DEQAS	Vitamin D External Quality Assessment Scheme
HbA1c	Hemoglobin A1c
HPLC	High-performance Liquid Chromatography
IOM	Institute of Medicine
CARTs	Cardiovascular autonomic reflex tests
HRV	Heart rate variability
VLF	Very Low Frequency
LF	Low Frequency
HF	High Frequency
TP	Total Power
ACEi	Angiotensin-Converting Enzyme Inhibitors
ARB	Angiotensin II Receptor Blockers
SGLT2	Sodium-Glucose Cotransporter-2
GLP-1	Glucagon-Like Peptide-1
BMI	Body Mass Index
FPG	Fasting Plasma Glucose
CKD-EPI	Chronic Kidney Disease Epidemiology Collaboration
HDL	High-Density Lipoprotein
LDL	Low-Density Lipoprotein
SBP	Systolic Blood Pressure
DBP	Diastolic Blood Pressure
SPSS	Statistical Package for the Social Sciences
ANOVA	One-way Analysis of Variance
RAAS	Renin–angiotensin–aldosterone System
ADA	American Diabetes Association