Table 3 The association between RC value and DR

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*