AT-2plus User Guide Spirometry Supplement
Page 28
AT-2plus Spirometry Supplement
Page 28
Norm Values
The norm values used for the calculation of predicted values are dependent upon the country.
°
For Great Britain, Italy, Spain and Switzerland, the ECCS and Quanjer standards are used.
°
For Sweden, the Swedish (Berglund) and Quanjer standards are used.
°
In Finland the Finnish and Quanjer standards are used.
°
In Austria the Austrian standards are used.
°
In India the Indian norm values are used.
°
In America and Canada the norm values that are used are Knudson, Knudson76, Crapo, Morris,
Composite and Polgar. The American norm values are extended with values taken from the ITS
(Intermountain Thoracic Society) recommendations.
The factors used in the evaluation for diagnosis and the specific norm values are included in the software
and are described in the following pages.
IMPORTANT
Due to great differences in the size of the lungs of children, there are no standard values for
children under 6 years of age.
Norm Values
The norm values used for the calculation of predicted values are dependent upon the country.
°
For Great Britain, Italy, Spain and Switzerland, the ECCS and Quanjer standards are used.
°
For Sweden, the Swedish (Berglund) and Quanjer standards are used.
°
In Finland the Finnish and Quanjer standards are used.
°
In Austria the Austrian standards are used.
°
In India the Indian norm values are used.
°
In America and Canada the norm values that are used are Knudson, Knudson76, Crapo, Morris,
Composite and Polgar. The American norm values are extended with values taken from the ITS
(Intermountain Thoracic Society) recommendations.
The factors used in the evaluation for diagnosis and the specific norm values are included in the software
and are described in the following pages.
IMPORTANT
Due to great differences in the size of the lungs of children, there are no standard values for
children under 6 years of age.
Summary of Contents for Schiller AT-2plus
Page 1: ...i i AT 2plus Spiro Option AT 2plus Spiro Option Schiller Menu Manuals...
Page 9: ...ix ix...
Page 10: ...x x...
