Table 8. Columbia University: 3-month followup data, lung-volume reduction surgery

No. casesFEV1 (percent predicted)FVC (percent predicted)6-min walk (ft)
Preoperative5322 ± 849 ± 17605 ± 346
Postoperative5334 ± 1464 ± 17987 ± 335

Abbreviations: FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity.

From: Lung-Volume Reduction Surgery for End-Stage Chronic Obstructive Pulmonary Disease

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