NDD EasyOne Air - Page 110

Configuration
Operator’s Manual V1.1 • EasyOne Air • EasyOne Connect
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 GOLD/Hardie interpretation algorithm
The diagram above shows how the interpretation for GOLD/Hardie 2003 and
GOLD/Hardie 2008 is determined, according to GOLD (2003) [11] and Hardie
(2002) [12].
The smoker status is not part of the GOLD/Hardie standard of 2008, only of
2003.
GOLD/Hardie 2003
only
GOLD/Hardie Interpretation 2003 & 2008
START
No interpretation
No
Yes
FEV
1
/FVC limit age related:
age < 70 years: 70%
\HDUV˖DJH\HDUV
DJH!\HDUV
Maneuver
quality OK?
Obstruction
Normal spirometry
Very severe
obstruction
END
FVC < LLN and
FEV
1
< LLN
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Possible restriction
Restriction
FEV
1
/FVC
< FEV
1
% limit?
FEV
1
˗
predicted?
FEV
1
˗
predicted?
FEV
1
˗
predicted?
Mild
obstruction
Moderate
obstruction
Severe
obstruction
Normal
spirometry—
at COPD risk
Smoker?
No
Yes