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Table 1 The WST scale [15]

From: Study on predictive models for swallowing risk in patients with AECOPD

Grade

Performance

I

Drinking water once within 5 s without coughing

II

Drinking water twice or more without choking or coughing

III

Drinking water at once but with coughing

IV

Drinking water twice or more times and with coughing

V

Coughing frequently and cannot drink the water successfully

  1. WST = water swallow test; Normal: Grade I, less than 5 s; Suspicious: Grade I, more than 5 s or II; Abnormal: grade III ∼ V
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BMC Pulmonary Medicine

ISSN: 1471-2466

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