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Table 3 Threshold effect analysis between CCI and ICU requirement in patients with TAA

From: Role of Charlson comorbidity index in predicting the ICU admission in patients with thoracic aortic aneurysm undergoing surgery

 

Crude model

Adjusted model

OR (95%CI)

P

OR (95%CI)

P

Model 1

One-line effect

0.752 (0.670, 0.844)

 < 0.001

0.814 (0.700, 0.947)

0.007

Model 2

Turning point

7

 

6

 

 < Turning point

0.504 (0.369, 0.688)

 < 0.001

0.403 (0.236, 0.685)

 < 0.001

 > Turning point

0.960 (0.790, 1.166)

0.679

0.950 (0.790, 1.142)

0.584

LRT test

 

0.003

 

0.003

  1. Crude: without any adjustments
  2. Adjusted model: adjusted the age, CCI, platelet, urea nitrogen, creatinine, and RDW