Performing spirometry
Rating
Criteria
A
At least 3 acceptable trials AND the difference between the best VC values is
equal to or less than 150 mL.
B
At least 2 acceptable trials AND the difference between the best VC values is
equal to or less than 150 mL.
D (1)
At least 2 acceptable trials but the results are not reproducible according to
'B'.
D (2)
Only one acceptable trial
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 for the SVC test
Result reliability
Reliable result
Reliable result
Result might have clinical
utility. Interpret with caution.
Result might have clinical
utility. Interpret with caution.
Result should not be used.
9000007/03
57/105
57