Service manual

IQmark Digital Spirometer Operation Manual
69
G. Reference Values - Adult
The IQmark Digital Spirometer software provides the following sets of reference equations
for adult patients.
1. Crapo (Crapo/Knudson compilation, aka ITS, ATS)
2. Knudson (1976 & 1983 compilation)
3. European Community For Coal And Steel (ECCS) (1993)
4. NHANES III (aka NLHEP, Hankinson)
5. Morris
6. Roca
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