Table 4 Logistic regression analysis on the risk factors of LCOS in patients with CHD

Age ≤ 4y

0.103

0.217

2.426

1.044 ~ 4.149

0.012

Preoperative oxygen saturation ≤ 93%

0.127

0.220

2.175

1.182 ~ 5.033

0.025

Two-way ventricular shunt

0.131

0.127

3.994

1.247 ~ 6.797

0.006

Duration of CPB ≥ 60 min

0.146

0.170

2.172

1.002 ~ 4.309

0.043

Postoperative residual shunt

0.109

0.113

1.487

1.093 ~ 2.383

0.027