Service manual
IQmark Digital Spirometer Operation Manual
79
H. Reference Values - Pediatric
The IQmark Digital Spirometer software provides the following sets of reference equations
for pediatric patients.
1. Knudson (1976 & 1983 compilation)
2. Polgar (1971)
3. Hsu
4. NHANES III
5. Zapletal
6. Eigen
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