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Table 2 Comparison of the ROC curve analysis of BUN/ALB ratio, 1/ALB, and BUN for predicting in-hospital mortality

From: Blood urea nitrogen to serum albumin ratio: a good predictor of in-hospital and 90-day all-cause mortality in patients with acute exacerbations of chronic obstructive pulmonary disease

Parameters

AUC

95% CI

Cut-off value

Sensitivity,%

Specificity,%

Youden’s index

P value

BUN/ALB ratio

0.87

0.81–0.93

0.249

78.3

86.5

0.648

 < 0.001

1/ALB

0.73

0.64–0.82

0.028

82.6

56.1

0.387

 < 0.001

BUN, mmol/L

0.85

0.77–0.92

9.06

69.6

87.8

0.574

 < 0.001

  1. AUC area under the curve, CI confidence interval
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BMC Pulmonary Medicine

ISSN: 1471-2466

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