Skip to main content

Table 4 ROC curve analysis results of statistically significant continuous variables

From: Risk factors for perioperative acute heart failure in older hip fracture patients and establishment of a nomogram predictive model

Variables

AUC (95% CI)

Cut­off value

Youden index

Standard error

Sensitivity

Specificity

P

Age (years)

0.595 (0.534, 0.656)

76.0

0.170

0.031

76.70

40.30

0.005

HB at admission

0.420 (0.357, 0.483)

75.25 g/L

0.012

0.032

98.90

2.30

0.017

BNP at admission

0.621 (0.564, 0.677)

32.5 pg/nl

0.256

0.029

87.80

37.80

0.001

LVEF

0.427 (0.360, 0.494)

73.5%

0.028

0.034

4.4

98.4

0.029

ACCI

0.619 (0.558, 0.680)

4.500

0.188

0.031

67.80

51.00

0.001

  1. HB hemoglobin, BNP B-type natriuretic peptide, LVEF left ventricular ejection fraction, ACCI age-adjusted Charlson comorbidity index, AUC the area under the curve, 95% CI 95% confidence interval