T2DM	type 2 diabetes mellitus
DM	Diabetes mellitus
GKB	Ginkgo biloba
PV	plasma viscosity
Hct	hematocrit
VDPA	velocity of dorsalis pedis artery
ABI	ankle-brachial index
TC	total cholesterol
TG	triglyceride
LDL	low-density lipoprotein
HDL	high-density lipoprotein
HbA1c	hemoglobin A1c
FSG	fasting serum glucose
WHO	World Health Organization
GBD	global burden of disease
NCDs	challenges of noncommunicable diseases
PRISMA	referred Reporting Items for Systematic reviews and Meta-Analyses
INPLASY	International Platform of Registered Systematic Review and Meta-analysis Protocols
SMD	mean difference
Ors	Odds ratio
SD	standard deviation
Chi²	chi-squared test
Tau2	Tau-squared
I²	I-squared
P	probability
95%CI	95% confidence interval
AGEs	Advanced glycation end products
ECM	extracellular matrix
sRAGE	Soluble receptor for advanced glycation end products
AGE-P	AGE-peptide
eNOS	endothelial NO synthase
PAD	peripheral arterial disease
RCTs	randomized control trails.