Performing spirometry
Operator’s Manual V1.1 • EasyOne Air • EasyOne Connect
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Quality grades for the SSA test
Quality grades for the SVC test
Rating
Criteria
A
At least 3 acceptable trials AND the difference between the best two FEV
1
and FVC values is equal to or less
than 100 mL
B
At least 3 acceptable trials AND the difference between the best two FEV
1
and FVC values is equal to or less
than 100 mL or 5% of FVC or FEV
1
, respectively.
F
No acceptable trial available
Quality grades for the FVC test, the FVL test, and the OSHA test
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
Quality grades for the SVC test
