Service manual

IQmark Digital Spirometer Operation Manual
70
Crapo - Adult
H = Height in centimeters.
A = Age in years.
Parameter Sex Race Age
Range
Predicted Equation SEE CI
95%
Source
VC M/F W All Predicted VC =
Predicted FVC
FVC M W 15–91 0.06H - 0.0214A - 4.650 0.644 1.115 Ref. 4
F W 15–91 0.0491H - 0.0216A - 3.590 0.393 0.676 Ref. 4
FEV
0.5
M W 15–91 0.0327H - 0.0152A - 1.914 0.414 0.708 Ref. 4
F W 15–91 0.0238H - 0.0185A - 0.809 0.294 0.506 Ref. 4
FEV
1
M W 15–91 0.0414H - 0.0244A - 2.190 0.486 0.842 Ref. 4
F W 15–91 0.0342H - 0.0255A - 1.578 0.326 0.561 Ref. 4
FEV
3
M W 15–91 0.0535H - 0.0271A - 3.512 0.587 1.017 Ref. 4
F W 15–91 0.0442H - 0.0257A - 2.745 0.360 0.620 Ref. 4
FEV
1
/FVC% M W 15–91 -0.13H - 0.152A + 110.49 4.78 8.28 Ref. 4
F W 15–91 -0.202H - 0.252A + 126.58 5.26 9.06 Ref. 4
FEV
3
/FVC% M W 15–91 -0.0627 - 0.145A + 112.09 2.68 4.64 Ref. 4
F W 15–91 -0.0937H - 0.163A + 118.16 3.11 5.36 Ref. 4
FEF
25-75%
M W 15–91 0.0204H - 0.038A + 2.133 0.962 1.666 Ref. 4
F W 15–91 0.0154H - 0.046A + 2.683 0.792 1.363 Ref. 4
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