Table 25. Summary data: Duration of followup and number of cases at specified timesa

Preoperative3 months6 months12 months

a Note: Data were included only if specific numbers were reported at particular time intervals after surgery (e.g., information reported as "139 patients with followup between 1 and 4 months" were not considered for inclusion). The type or comprehensiveness of postoperative evaluation was not considered.

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

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AHCPR Health Technology Assessments.

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