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 | Â |
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 |