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Survival in AAT according to FEV1

Survival in AAT according to FEV1
Two year mortality rate in patients with alpha-1 antitrypsin deficiency according to FEV1. Mortality rises dramatically when the FEV1 falls below 35 percent predicted.
FEV1: forced vital capacity in one second.
Redrawn from Seersholm N, Dirksen A, Kok-Jensen A, Eur Respir J 1994; 7:1985.
Graphic 81503 Version 2.0