Table 4 The nonlinearity of PNI and mortality.

From: Threshold effect of prognostic nutritional index on mortality in geriatric hip fracture patients

Model

Mortality

Cox proportional hazards regression model

0.95 (0.93, 0.97) < 0.0001

The two-piecewise Cox proportional hazards regression model

Inflection point (K)

50.3

< K

0.94 (0.92, 0.96) < 0.0001

> K

1.03 (0.99, 1.07) 0.1469

P value for log-likelihood ratio test

0.002

  1. Data in the table: HR (95% CI) P.
  2. Outcome variate: Mortality.
  3. Exposure variate: PNI: age, sex, CHD, arrhythmia, ischemic stroke, cancer, dementia, hepatitis, time to operation, time to admission, urea..
Back to article page