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Table 2 Univariate Analysis of Risk Factors for the Overall Cohort

From: Risk factors analysis of acute kidney injury following open thoracic aortic surgery in the patients with or without acute aortic syndrome: a retrospective study

Variable

Odds Ratio

95% Confidence Interval

P Value

Age (y)

1.01

0.99–1.02

0.6

Sex, male

1.48

0.95–2.28

0.08

Weight

1.02

1.01–1.04

0.006

Hypertension

2.07

1.38–3.10

< 0.001

Preoperative platelet

1.00

0.99–1.00

0.006

Preoperative lymphocyte

0.64

0.46–0.88

0.007

Preoperative monocyte

3.76

2.02–7.00

< 0.001

Preoperative neutrophil

1.16

1.08–1.23

< 0.001

NLR

1.17

1.10–1.25

< 0.001

LMR

0.88

0.81–0.96

0.003

Preoperative urinary protein + or ++

2.43

1.30–4.53

0.005

Marfan syndrome

0.25

0.09–0.70

0.008

Aortic dissection

2.67

1.77–4.04

< 0.001

Standford type-A aortic dissection

2.80

1.84–4.24

< 0.001

Intraoperative fresh frozen plasma use

1.00

1.00–1.00

0.01

Involving the aortic arch

2.66

1.76–4.02

< 0.001

Involving the descending aorta

3.03

1.97–4.67

< 0.001

CPB duration

1.01

1.01–1.02

< 0.001

DHCA or MHCA

2.72

1.80–4.11

< 0.001

Aortic cross-clamp time

1.02

1.01–1.02

< 0.001

Operation time

1.63

1.41–1.89

< 0.001

Combined valvular surgery

0.43

0.28–0.64

< 0.001

  1. Abbreviations: NLR Neutrophil to Lymphocyte Ratio, LMR Lymphocyte to Monocyte Ratio, SCr Serum Creatinine, CPB Cardiopulmonary Bypass, DHCA Deep Hypothermia and Circulatory Arrest, MHCA Median Hypothermia and Circulatory Arrest