Breathing capacities
For data input see below
Output of calculations
Input data were: Weight kg, Height cm, Age years
The following are the formulas according to
Quanjer (20,000 subjects, 1993) (m): 0.06103 * Height – 0. 028 * Age – 4.654
Quanjer (20,000 subjects, 1993) (w): 0.04664 * Height – 0.024 * Age – 3.284
Quanjer (m): 0.0576 * Height – 0.026 * Age – 4. 34
Quanjer (female): 0.0414 * Height – 0.024 * Age – 2.89
Crapo (male): 0.052 * Height – 0.022 * Age – 3.60
Crapo (female): 0.041 * Height – 0.024 * Age – 2. 60
Knudson (m): 0.052 * Height – 0.022 * Age – 3.60
Knudson (w): 0.041 * Height – 0.018 * Age – 2.69
European Community for Steel and Coal (ECSC) (m): Height ^3 * (1.03 – (Age – 25)/100 * 0.75)
European Community for Steel and Coal (ECSC) (w): Height ^3 * (1.03 – (Age – 25)/100 * 0.75) /1.1
European Community for Steel and Coal (ECSC) for FEV1 (m): 0.0430 * Height – 0.029 * Age – 2. 49
European Community for Steel and Coal (ECSC) for FEV1 (w): 0.0395 * height – 0.0259 * age – 2.60
Gaensler (m): (27.63 – 0.112 * age) * height
Gaensler (w): (21.78 – 0.101 * age) * height
European Respiratory Society (ERS) 5.48 * height – (0.026 * age) – 3. 15
| gender | Gaensler | ECSC | ECSC FEV1 | Quanjier | Quanjier 1993 | Crapo | Knudson | ERS |
|---|---|---|---|---|---|---|---|---|
| M | 0 | 0 | – 2. 49 | -4.34 | -4.65 | -3.6 | -3.6 | -3.15 |
| W | 0 | 0 | -2.6 | -2.89 | -3.28 | -2. 6 | -2.69 | 0 |
| FEV(1) ECSC (m): | -2.49 | 70%: | -1.74 | |||||
| FEV(1) ECSC (w): | -2.6 | 70%: | -1. 82 | |||||
Values in obstructive and restrictive lung diseases:
| VC | FEV1 | FEV1/VC | RV | TLC | Compliance | Resistance | |
|---|---|---|---|---|---|---|---|
| obstr. | norm/(↓) | ↓ | ↓ | ↑ | ↑ | norm. | ↑ |
| restr. | norm/↓ | (↓) | norm. | ↓ | ↓ | ↓ | norm. |
See also the following sources:
https://www.ogp.at/wp-content/uploads/Spirometrie-Skriptum-OeGP-2023.pdf
https://www.dgaum.de/fileadmin/pdf/Leitlinien/002-013_S1_Lungenfunktionspruefungen_in_der_Arbeitsmedizin_08-2005_08-2010_2_.pdf
https://www.msdmanuals.com/de/profi/lungenkrankheiten/lungenfunktionspr%C3%BCfung-pft/luftstrom-lungenvolumina-und-flussvolumenkurven#Charakteristische-Ver%C3%A4nderungen-der-Lungenfunktion_v912630_de
Table for data entry
Enter data: Weight, height, gender, age.
Personal data suitable for identification is not collected.
The input data remains in the fields for further experiments such as changing the age.
| Weight (kg): | |
| Height (cm): | |
| Age (years): | |
| Gender (m/f): |