List Of Quality Grades For Tests - NDD EasyOne Air Operator's Manual

Performing spirometry
6.8.3.

List of quality grades for tests

Rating Criteria
A At least 3 acceptable trials (for age 6 and under: 2 acceptable) AND the
difference between the best two FEV
100 mL (80 mL if FVC <1.0 L) (for age 6 and under: 80 mL or 8% of FVC or FEV
whichever is greater)
B At least 3 acceptable trials (for age 6 and under: 2 acceptable) AND the
difference between the best two FEV
150 mL (100 mL if FVC <1.0 L) (for age 6 and under: 100 mL or 10% of FVC or
FEV whichever is greater)
1
C At least 2 acceptable trials AND the difference between the best two FEV
FVC values is equal to or less than 200 mL (150 mL if FVC <1.0 L) (for age 6
and under: 150 mL or 15% of FVC or FEV
D (1) At least 2 acceptable trials but the results are not reproducible according to
'C'.
Quality message: Result not reproducible
D (2) Only one acceptable trial
Quality message: Only one acceptable trial
F No acceptable trial available
Rating Criteria
A At least 3 acceptable trials AND the difference between the best two FEV
FVC values is equal to or less than 100 mL
B At least 3 acceptable trials AND the difference between the best two FEV
FVC values is equal to or less than 100 mL or 5% of FVC or FEV
F No acceptable trial available
Operator's Manual V03 • EasyOne Air • EasyOne Connect
© ndd Medizintechnik AG • Technoparkstrasse 1, 8005 Zurich, Switzerland • www.ndd.ch
Quality grades help you as the operator to assess the quality of a completed
test.
Quality grades for the FVC test, the FVL test, and the OSHA test
and FVC values is equal to or less than
1
and FVC values is equal to or less than
1
whichever is greater)
1
About the OSHA test  9 9
Quality grades for the SSA test
About the SSA test  1 00
Result reliability
Reliable result
1
Reliable result
and Reliable result
1
Result might have clinical
utility. Interpret with caution.
Result might have clinical
utility. Interpret with caution.
Result should not be used.
Result reliability
and Reliable result
1
and Reliable result
1
, respectively.
1
Result should not be used.
9000007/03
57
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