Welch Allyn Schiller AT-2plus - Morris and Crapo Childrens Norm Values

AT-2plus User Guide Spirometry Supplement Page 37
Art. No. 2. 510339wa ©1999
AT-2plus User Guide Spirometry Supplement Page 37
Art. No. 2. 510339wa ©1999
Norm Values for USA and Canada
Morris and Crapo Norm Values for Children
The following equations are valid for children within the age range of 7 to 18 years:
BOYS 7 - 17.99 years (1.09 - 1.96m) White GIRLS 7 - 17.99 years (1.09 - 1.96m) White
FVC(ml) = 3.58 x 10
-4
x H
3.18
SD = 13% FVC(ml) = 2.57 x 10
-3
x H
2.78
SD = 14%
FVC
1.0
(ml) = 7.74 x 10
-4
x H
3.0
SD = 13% FVC
1.0
(ml) = 3.79 x 10
-3
x H
2.68
SD = 14%
PEFR(l/min) = 3.35 x 10
-4
x H
2.79
SD = 18% PEFR(l/min) = 2.58 x 10
-3
x H
2.37
SD = 18%
FEF
25-75%
(l/min) = 3.98 x 10
-4
x H
2.46
SD = 26% FEF
25-75%
(l/min) = 3.79 x 10
-3
x H
2.16
SD = 28%
BOYS 7 - 17.99 years (1.09 - 1.96m) Black/Asian GIRLS 7 - 17.99 years (1.09 - 1.96m) Black/Asian
FVC(ml) = 1.07 x 10
-3
x H
2.93
SD = 17% FVC(ml) = 8.34 x 10
-4
x H
2.98
SD = 15%
FVC
1.0
(ml) = 1.03 x 10
-3
x H
2.92
SD = 17% FVC
1.0
(ml) = 1.14 x 10
-3
x H
2.89
SD = 15%
PEFR(l/min) = 1.74 x 10
-4
x H
2.92
SD = 22% PEF(l/min) = 5.51 x 10
-4
x H
2.68
SD = 20%
FEF
25-75%
(l/min) = 3.61 x 10
-4
x H
2.60
SD = 36% FEF
25-75%
(l/min) = 1.45 x 10
-3
x H
2.34
SD = 30%
BOYS 7 - 17.99 years (1.09 - 1.96m) Mexican American GIRLS 7 - 17.99 years (1.09 - 1.96m) Mexican American
FVC(ml) = 1.06 x 10
-3
x H
2.97
SD = 13% FVC(ml) = 1.25 x 10
-3
x H
2.92
SD = 14%
FVC
1.0
(ml) = 1.73 x 10
-3
x H
2.85
SD = 13% FVC
1.0
(ml) = 1.61 x 10
-3
x H
2.85
SD = 14%
PEFR(l/min) = 7.69 x 10
-4
x H
2.63
SD = 17% PEF(l/min) = 6.97 x 10
-4
x H
2.64
SD = 18%
FEF
25-75%
(l/min) = 9.13 x 10
-4
x H
2.45
SD = 25% FEF
25-75%
(l/min) = 1.20 x 10
-3
x H
2.40
SD = 24%
Norm Values for USA and Canada
Morris and Crapo Norm Values for Children
The following equations are valid for children within the age range of 7 to 18 years:
BOYS 7 - 17.99 years (1.09 - 1.96m) White GIRLS 7 - 17.99 years (1.09 - 1.96m) White
FVC(ml) = 3.58 x 10
-4
x H
3.18
SD = 13% FVC(ml) = 2.57 x 10
-3
x H
2.78
SD = 14%
FVC
1.0
(ml) = 7.74 x 10
-4
x H
3.0
SD = 13% FVC
1.0
(ml) = 3.79 x 10
-3
x H
2.68
SD = 14%
PEFR(l/min) = 3.35 x 10
-4
x H
2.79
SD = 18% PEFR(l/min) = 2.58 x 10
-3
x H
2.37
SD = 18%
FEF
25-75%
(l/min) = 3.98 x 10
-4
x H
2.46
SD = 26% FEF
25-75%
(l/min) = 3.79 x 10
-3
x H
2.16
SD = 28%
BOYS 7 - 17.99 years (1.09 - 1.96m) Black/Asian GIRLS 7 - 17.99 years (1.09 - 1.96m) Black/Asian
FVC(ml) = 1.07 x 10
-3
x H
2.93
SD = 17% FVC(ml) = 8.34 x 10
-4
x H
2.98
SD = 15%
FVC
1.0
(ml) = 1.03 x 10
-3
x H
2.92
SD = 17% FVC
1.0
(ml) = 1.14 x 10
-3
x H
2.89
SD = 15%
PEFR(l/min) = 1.74 x 10
-4
x H
2.92
SD = 22% PEF(l/min) = 5.51 x 10
-4
x H
2.68
SD = 20%
FEF
25-75%
(l/min) = 3.61 x 10
-4
x H
2.60
SD = 36% FEF
25-75%
(l/min) = 1.45 x 10
-3
x H
2.34
SD = 30%
BOYS 7 - 17.99 years (1.09 - 1.96m) Mexican American GIRLS 7 - 17.99 years (1.09 - 1.96m) Mexican American
FVC(ml) = 1.06 x 10
-3
x H
2.97
SD = 13% FVC(ml) = 1.25 x 10
-3
x H
2.92
SD = 14%
FVC
1.0
(ml) = 1.73 x 10
-3
x H
2.85
SD = 13% FVC
1.0
(ml) = 1.61 x 10
-3
x H
2.85
SD = 14%
PEFR(l/min) = 7.69 x 10
-4
x H
2.63
SD = 17% PEF(l/min) = 6.97 x 10
-4
x H
2.64
SD = 18%
FEF
25-75%
(l/min) = 9.13 x 10
-4
x H
2.45
SD = 25% FEF
25-75%
(l/min) = 1.20 x 10
-3
x H
2.40
SD = 24%