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Fig. 1 | BMC Research Notes

Fig. 1

From: Development and validation of a pulmonary function test data extraction tool for the US department of veterans affairs electronic health record

Fig. 1

Selection of VA facilities for PFT extraction from the cohort. Flowchart showing the screening process for identification of VA facilities containing semi-structured or unstructured PFT reports. Abbreviations: CDW = corporate data warehouse; FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; PFT = pulmonary function test; VA = Veterans Affairs

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BMC Research Notes

ISSN: 1756-0500

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