Table 3.

The association between RC value and DR

Factors	Univariate model			Multivariate model
	OR	95%CI	P-value	OR	95%CI	P-value
Age, per10y increase	1.221	1.051–1.418	0.009**	1.002	0.981–1.022	0.880
Diabetes duration, per 1y increase	1.357	1.184–1.555	0.000**	1.072	1.036–1.110	0.000**
DPN, yes or no	1.561	1.067–2.284	0.022	1.201	0.770–1.873	0.419
Anitihypertensive drugs, yes or no	0.6	0.458–0.994	0.046	1.062	0.666–1.690	0.800
SBP, per10mmHg increase	1.16	1.043–1.289	0.006*	1.004	0.992–1.018	0.498
FBG, per 1 mmol/L increase	1.04	0.976–1.108	0.228
HbA1c per1% increase	1.078	0.971–1.197	0.159
Uric acid per 1 μmol/l increase	1.00	0.998–1.001	0.61
TC, per 1 mmol/L increase	1.367	1.145–1.632	0.000**	0.936	0.731–1.198	0.598
TG, per 1 mmol/L increase	1.087	0.995–1.187	0.064
HDL-C, per 1 mmol/L increase	1.315	0.676–2.556	0.42
LDL-C, per 1 mmol/L increase	1.007	0.793–1.279	0.956
eGFR, per10-1-1 (ml/min/1.73m2) increase	0.93	0.844–1.026	0.147
mAlb > 30 mg/24 h, yes or no	1.003	1.001–1.005	0.003*	1.334	0.814–2.185	0.252
TyG-index per1 increase	1.393	1.095–1.772	0.007	0.766	0.554–1.059	0.106
RC, per 1 mmol/L increase	6.823	4.011–11.609	0.000**	5.623	2.996–10.556	0.000**
NLR per1 increase	1.801	1.310–2.477	0.000**	1.598	1.121–2.279	0.01*

Abbreviations: DR diabetic retinopathy, DPN diabetic peripheral neuropathy, BMI body mass index, SBP systolic blood pressure, FBG Fasting blood glucose, HbA1c glycosylated hemoglobin, TC total cholesterol, TG triglyceride, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, APOA apolipoprotein A, APOB apolipoprotein B, eGFR estimated glomerular filtration rate, TyG-index triglyceride glucose index, SBP systolic blood pressure, UA Uric acid, NLR Neutrophil–Lymphocyte ratio, TyG-index triglyceride glucose index, mAlb microalbuminuria

Notes: Binary Logistic Regression Analysis.*P < 0.05, **P < 0. 001