Welch Allyn Schiller AT-2plus - Polgar Norm Values

AT-2plus User Guide Spirometry Supplement Page 41
Art. No. 2. 510339wa ©1999
AT-2plus User Guide Spirometry Supplement Page 41
Art. No. 2. 510339wa ©1999
Norm Values
Polgar Norm Values
The Polgar equations are
valid for both children and
adults in specific groups
according to age as follows:
A: Age H:
Height in inches.
The remaining values are
taken from the ITS
equations.
Males Females
Age under 18 years Age under 18 years
FVC H
3
*0.0000071 +H
2
*0.00057 -H*0.0123 +0.14 H
3
*0.0000076 +H
2
*0.00048 +H*0.0112 +0.13
FVC0.5 H*0.076 +A*0.043 -3.05 -
FEV1 H
3
*0.00000087 +H*0.00035 -H*0.0086 +0.1 H
3
*0.0000086 +H
2
*0.00035 -H*0.0086 +0.1
FEF25 - 75% H*0.1109 -3.46 H*0.1109 -3.46
PEF H*0.2219 -7.09 H*0.2219 -7.09
MVV H*4.68 -A*1.8 -192.32 H*2.76 -A*3.4 -108.12
Age 18 to 25 years Age 18 to 20 years
FVC H*0.1499 +A*0.0739 -6.887 H*0.1057 +A*0.0699 -4.447
FVC0.5 H*0.0760 +A*0.0430 -3.050 H*0.0480 +A*0.00610 -1.740
FEV1 H*0.1318 +A*0.0636 -6.118 H*0.0892 +A*0.0694 -3.762
FEF25 - 75 H*0.1369 +A*0.0749 -6.199 H*0.0709 +A*0.1275 -2.801
PEF H*0.1980 +A*0.1660 -8.061 H*0.1240 +A*0.1570 -3.920
FEF50 H*0.1379 +A*0.1150 -6.385 H*0.0732 +A*0.1111 -2.304
FEF75 H*0.1008 -A*0.0057 -4.242 H*0.0617 +A*0.2923 -4.401
MVV H*4.68 +A*1.8 -192.32 H*2.76 +A*3.4 -108.12
Age over 26 years Age over 20 years
FEF3 - H*0.1067 -A*0.0257 -2.745
FEF.2-1.2 H*0.1090 -A*0.0470 +2.010 H*0.1450 -A*0.0360 -2.532
FEF25 - 75% H*0.1471 -A*0.0363 -4.518 H*0.0531 -A*0.0344 +1.128
FEF75 - 85% H*0.0130 -A*0.0230 +1.210 H*0.0250 -A*0.0210 +0.321
PEF H*0.2390 -A*0.0350 -5.990 H*0.1240 -A*0.0250 -0.740
FEF25 H*0.0900 -A*0.0220 +2.726 H*0.0690 -A*0.0190 +2.147
FEF50 H*0.1737 -A*0.0366 -5.409 H*0.0681 -A*0.0289 +0.609
FEF75 H*0.0787 -A*0.0230 -2.483 H*0.0244 -A*0.0259 +1.118
MVV H*3.03 -A*0.816 -37.9 H*2.14 -A*0.685 -4.87
Norm Values
Polgar Norm Values
The Polgar equations are
valid for both children and
adults in specific groups
according to age as follows:
A: Age H:
Height in inches.
The remaining values are
taken from the ITS equations.
Males Females
Age under 18 years Age under 18 years
FVC H
3
*0.0000071 +H
2
*0.00057 -H*0.0123 +0.14 H
3
*0.0000076 +H
2
*0.00048 +H*0.0112 +0.13
FVC0.5 H*0.076 +A*0.043 -3.05 -
FEV1 H
3
*0.00000087 +H*0.00035 -H*0.0086 +0.1 H
3
*0.0000086 +H
2
*0.00035 -H*0.0086 +0.1
FEF25 - 75% H*0.1109 -3.46 H*0.1109 -3.46
PEF H*0.2219 -7.09 H*0.2219 -7.09
MVV H*4.68 -A*1.8 -192.32 H*2.76 -A*3.4 -108.12
Age 18 to 25 years Age 18 to 20 years
FVC H*0.1499 +A*0.0739 -6.887 H*0.1057 +A*0.0699 -4.447
FVC0.5 H*0.0760 +A*0.0430 -3.050 H*0.0480 +A*0.00610 -1.740
FEV1 H*0.1318 +A*0.0636 -6.118 H*0.0892 +A*0.0694 -3.762
FEF25 - 75 H*0.1369 +A*0.0749 -6.199 H*0.0709 +A*0.1275 -2.801
PEF H*0.1980 +A*0.1660 -8.061 H*0.1240 +A*0.1570 -3.920
FEF50 H*0.1379 +A*0.1150 -6.385 H*0.0732 +A*0.1111 -2.304
FEF75 H*0.1008 -A*0.0057 -4.242 H*0.0617 +A*0.2923 -4.401
MVV H*4.68 +A*1.8 -192.32 H*2.76 +A*3.4 -108.12
Age over 26 years Age over 20 years
FEF3 - H*0.1067 -A*0.0257 -2.745
FEF.2-1.2 H*0.1090 -A*0.0470 +2.010 H*0.1450 -A*0.0360 -2.532
FEF25 - 75% H*0.1471 -A*0.0363 -4.518 H*0.0531 -A*0.0344 +1.128
FEF75 - 85% H*0.0130 -A*0.0230 +1.210 H*0.0250 -A*0.0210 +0.321
PEF H*0.2390 -A*0.0350 -5.990 H*0.1240 -A*0.0250 -0.740
FEF25 H*0.0900 -A*0.0220 +2.726 H*0.0690 -A*0.0190 +2.147
FEF50 H*0.1737 -A*0.0366 -5.409 H*0.0681 -A*0.0289 +0.609
FEF75 H*0.0787 -A*0.0230 -2.483 H*0.0244 -A*0.0259 +1.118
MVV H*3.03 -A*0.816 -37.9 H*2.14 -A*0.685 -4.87