Correlation Analysis between Nerve Fiber Layer Thickness and Peripapillary Vessel Density and Influencing Factors of Peripapillary Vessel Density in Preclinical Diabetic Retinopathy

Table 1

Demographic and clinical characteristics of the study participants.

	Preclinical group	Control group	t
Age (years)	62.41 ± 9.28	63.04 ± 6.96	−0.28	0.78
Diabetic duration (years)	7.79 ± 4.14	—	—	—
Systolic pressure (mmHg)	136.35 ± 13.46	132.65 ± 15.33	0.96	0.34
Diastolic pressure (mmHg)	82.79 ± 7.51	80.22 ± 9.66	1.13	0.26
HbA1c (%)	7.42 ± 1.06	5.45 ± 0.70	7.82	＜0.01
TC (mmol/L)	4.66 ± 1.24	2.39 ± 1.38	6.45	＜0.01
TG (mmol/L)	1.72 ± 0.52	1.08 ± 0.42	4.93	＜0.01
HDL-c (mmol/L)	1.64 ± 0.40	1.37 ± 0.43	2.36	0.02
LDL-c (mmol/L)	2.73 ± 0.62	2.27 ± 0.94	2.06	0.047
LogMAR BCVA	0.10 ± 0.15	0.11 ± 0.10	−2.50	0.80
IOP (NCT) (mmHg)	14.02 ± 2.42	13.38 ± 1.60	1.06	0.30

HbA1c: glycosylated hemoglobin; TC: total cholesterol; TG: triglycerides; HDL-c: high-density lipoprotein; LDL-c: low-density lipoprotein; BCVA: best-corrected visual acuity; IOP: intraocular pressure; indicates , with statistics learn meaning.