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Fig. 5 | BMC Pulmonary Medicine

Fig. 5

From: Clinical analysis of the “small plateau” sign on the flow-volume curve followed by deep learning automated recognition

Fig. 5

Prevalence of SP sign of all patients in BDTs. BDT (−) SP sign (+) was defined as patients with SP sign and had negative-BDTs; BDT (−) SP sign (−) was defined as patients without SP sign and had negative-BDTs; BDT (+) SP sign (+) was defined as patients with SP sign and had positive-BDTs; BDT (+) SP sign (−) was defined as patients without SP sign and had positive-BDTs. BDTs = bronchodilator tests; SP = small plateau

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