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Table 4 Nonlinearity of admission albumin concentration (g/L) versus mortality (N = 2387)

From: Elevated albumin: a protective factor against mortality in geriatric hip fracture patients

Outcome

HR (95%CI) P-value

Fitting model by stand linear regression

0.94 (0.92, 0.96) < 0.0001

Fitting model by two-piecewise linear regression

 

Inflection point

31

< 31

1.00 (0.88, 1.14) 0.9786

> 31

0.93 (0.91, 0.96) < 0.0001

P for log-likelihood ratio test

0.322

  1. Adjust for: age; sex; injury mechanism; fracture classification; aCCI; CHD; arrhythmia; ischemic stroke; cancer; dementia; COPD; hepatitis; time to operation; treatment strategy; operation time; infusion; transfusion
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X