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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: Emergency admission parameters for predicting in-hospital mortality in patients with acute exacerbations of chronic obstructive pulmonary disease with hypercapnic respiratory failure

Fig. 3

Receiver operating characteristic curves of the nomogram and internal validation. AUC a shows the discrimination of the model. AUC b of the internal validation. The blue shading denotes the bootstrap estimated 95% confidence interval with the AUC. The corresponding 95% confidence interval estimate is highlighted in black text

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BMC Pulmonary Medicine

ISSN: 1471-2466

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