Table 3 Multivariate logistic regression analysis. Model with the 5 variables to estimate 1-year mortality risk.

From: Atrial fibrillation as a new prognosis factor in chronic patients after hospitalization: the CHRONIBERIA index

 

β

SE(β)

OR (95%CI)

P value

Intercept

− 0.4898

   

Age*, yr

0.5642

0.0984

1.76 (1.45, 2.13)

0.0015

Gender (1, male)

0.4217

0.1301

1.52 (1.18, 1.97)

0.0012

Neoplasia (1, yes)

1.0442

0.1795

2.84 (2.00, 4.04)

 < 0.0001

Barthel index

− 0.0193

0.0020

0.42 (0.17, 0.68)

 < 0.0001

AF (1, yes)

0.4021

0.1286

1.49 (1.16, 1.92)

0.0018

AUC 0.72

R2 0.19

Brier score 0.20

AUC corrected 0.72

R2 corrected 0.19

Brier score corrected 0.20

  1. β indicates coefficient; SE, standard error; OR, Odds ratio; CI, 95% confidence interval; *, OR (95%CI) are shown for age interval between 74 and 87 years; AF, Atrial fibrillation; AUC, Area under the ROC curve.