Screening and evaluation of diabetic retinopathy via a deep learning network model: A prospective study

Table 1 Comparison of baseline data between non-diabetic retinopathy and diabetic retinopathy groups of study subjects

Clinical indicators	Non-DR group (n = 255)	DR group (n = 219)	t/χ2 value	P value
Age (years, mean ± SD)	49.88 ± 12.05	54.21 ± 9.02	-6.62	< 0.01
Male [n (%)]	86 (33.73)	87 (39.73)	4.94	0.026
SBP (mmHg, mean ± SD)	132 ± 21	141 ± 23	-7.96	< 0.01
DBP (mmHg, mean ± SD)	81 ± 12	85 ± 13	-4.99	< 0.01
FPG (mmol/L, mean ± SD)	5.77 ± 1.35	7.70 ± 3.54	-23.56	< 0.01
2hpg (mmol/L, mean ± SD)	7.48 ± 3.43	11.52 ± 6.83	-20.30	< 0.01
HbA1c (%, mean ± SD)	5.57 ± 0.88	6.70 ± 2.02	-21.87	< 0.01
Hypertension [n (%)]	114 (44.71)	142 (64.84)	50.78	< 0.01

DR: Diabetic retinopathy; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; FPG: Fasting plasma glucose; 2hpg: 2-hour-post glucose detection; HbA1c: Hemoglobin A1c.