Table 3 Univariate and multivariate analysis of the factors related to CSE

R factor (continuous)

3.221

1.450–7.155

0.004

1.682

0.659–4.289

0.277

E factor (continuous)

1.083

0.542–2.166

0.821

0.855

0.347–2.104

0.732

 L factor (continuous)

1.267

0.764-2.100

0.359

1.382

0.762–2.505

0.287

 C factor (continuous)

4.195

2.160–8.146

< 0.001

3.824

1.808–8.090

< 0.001