TABLE 2

Serum α1-antitrypsin (AAT) level ranges according to genotype

Genotype
PI*MMPI*MZPI*SZPI*ZZ
ATS/ERS guidelines (2003) [4]
 µM20.0–48.017.0–33.08.0–16.02.5–7.0
 mg·dL−1150–35090–21075–12020–45
Ferrarotti et al. (2012) [30]
 µM20.2–31.512.7–19.29.4–12.7NA
 mg·dL−1105–16466–10049–66NA
Bornhorst et al. (2013) [31]
 µM19–4711–287–23≤5–10
 mg·dL−1102–25462–15138–108≤29–52

ATS: American Thoracic Society; ERS: European Respiratory Society; NA: not available.